Home / 3,300.12-4,555.26-2,858.76

Finding the Fourth Proportional to 3,300.12, 4,555.26 and 2,858.76

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Solution

The fourth proportional to 3,300.12, 4,555.26 and 2,858.76 is: 3,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.12 : 4,555.26 = 2,858.76 : x
  2. Step 2: Convert to fraction form
    3,300.12/4,555.26 = 2,858.76/x
  3. Step 3: Cross multiply
    3,300.12x = 4,555.26 × 2,858.76
  4. Step 4: Simplify right side
    3,300.12x = 13,022,395.08
  5. Step 5: Solve for x
    x = 13,022,395.08/3,300.12
  6. Step 6: Final answer
    x = 3,946.04

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Half scale
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Double scale
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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.