Home / 2,501.36-3,753.19-1,331.07

Finding the Fourth Proportional to 2,501.36, 3,753.19 and 1,331.07

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Solution

The fourth proportional to 2,501.36, 3,753.19 and 1,331.07 is: 1,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.36 : 3,753.19 = 1,331.07 : x
  2. Step 2: Convert to fraction form
    2,501.36/3,753.19 = 1,331.07/x
  3. Step 3: Cross multiply
    2,501.36x = 3,753.19 × 1,331.07
  4. Step 4: Simplify right side
    2,501.36x = 4,995,746.20
  5. Step 5: Solve for x
    x = 4,995,746.20/2,501.36
  6. Step 6: Final answer
    x = 1,997.21

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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.