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Finding the Fourth Proportional to 3,335.66, 4,600.62 and 2,140.76

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Solution

The fourth proportional to 3,335.66, 4,600.62 and 2,140.76 is: 2,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.66 : 4,600.62 = 2,140.76 : x
  2. Step 2: Convert to fraction form
    3,335.66/4,600.62 = 2,140.76/x
  3. Step 3: Cross multiply
    3,335.66x = 4,600.62 × 2,140.76
  4. Step 4: Simplify right side
    3,335.66x = 9,848,823.27
  5. Step 5: Solve for x
    x = 9,848,823.27/3,335.66
  6. Step 6: Final answer
    x = 2,952.59

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Half scale
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Double scale
Find fourth proportional to 3,336.66, 4,602 and 2,141.76
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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.