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Finding the Fourth Proportional to 6,451.04, 8,902.76 and 3,799.31

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Solution

The fourth proportional to 6,451.04, 8,902.76 and 3,799.31 is: 5,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.04 : 8,902.76 = 3,799.31 : x
  2. Step 2: Convert to fraction form
    6,451.04/8,902.76 = 3,799.31/x
  3. Step 3: Cross multiply
    6,451.04x = 8,902.76 × 3,799.31
  4. Step 4: Simplify right side
    6,451.04x = 33,824,281.59
  5. Step 5: Solve for x
    x = 33,824,281.59/6,451.04
  6. Step 6: Final answer
    x = 5,243.23

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Find fourth proportional to 3,225.52, 4,451.38 and 1,899.65
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.