Home / 2,543.28-3,507.91-2,334.13

Finding the Fourth Proportional to 2,543.28, 3,507.91 and 2,334.13

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Solution

The fourth proportional to 2,543.28, 3,507.91 and 2,334.13 is: 3,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.28 : 3,507.91 = 2,334.13 : x
  2. Step 2: Convert to fraction form
    2,543.28/3,507.91 = 2,334.13/x
  3. Step 3: Cross multiply
    2,543.28x = 3,507.91 × 2,334.13
  4. Step 4: Simplify right side
    2,543.28x = 8,187,917.97
  5. Step 5: Solve for x
    x = 8,187,917.97/2,543.28
  6. Step 6: Final answer
    x = 3,219.43

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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.