Home / 3,724.52-5,140.02-2,045.88

Finding the Fourth Proportional to 3,724.52, 5,140.02 and 2,045.88

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Solution

The fourth proportional to 3,724.52, 5,140.02 and 2,045.88 is: 2,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.52 : 5,140.02 = 2,045.88 : x
  2. Step 2: Convert to fraction form
    3,724.52/5,140.02 = 2,045.88/x
  3. Step 3: Cross multiply
    3,724.52x = 5,140.02 × 2,045.88
  4. Step 4: Simplify right side
    3,724.52x = 10,515,864.12
  5. Step 5: Solve for x
    x = 10,515,864.12/3,724.52
  6. Step 6: Final answer
    x = 2,823.41

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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.