Home / 5,174,260.90-7,761,391.35-5,090,280.10

Finding the Fourth Proportional to 5,174,260.90, 7,761,391.35 and 5,090,280.10

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Solution

The fourth proportional to 5,174,260.90, 7,761,391.35 and 5,090,280.10 is: 7,635,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174,260.90 : 7,761,391.35 = 5,090,280.10 : x
  2. Step 2: Convert to fraction form
    5,174,260.90/7,761,391.35 = 5,090,280.10/x
  3. Step 3: Cross multiply
    5,174,260.90x = 7,761,391.35 × 5,090,280.10
  4. Step 4: Simplify right side
    5,174,260.90x = 39,507,655,937,217.13
  5. Step 5: Solve for x
    x = 39,507,655,937,217.13/5,174,260.90
  6. Step 6: Final answer
    x = 7,635,420.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.