Home / 3,713.68-5,127.24-2,318.48

Finding the Fourth Proportional to 3,713.68, 5,127.24 and 2,318.48

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Solution

The fourth proportional to 3,713.68, 5,127.24 and 2,318.48 is: 3,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.68 : 5,127.24 = 2,318.48 : x
  2. Step 2: Convert to fraction form
    3,713.68/5,127.24 = 2,318.48/x
  3. Step 3: Cross multiply
    3,713.68x = 5,127.24 × 2,318.48
  4. Step 4: Simplify right side
    3,713.68x = 11,887,403.40
  5. Step 5: Solve for x
    x = 11,887,403.40/3,713.68
  6. Step 6: Final answer
    x = 3,200.98

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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.