Home / 3,724.44-5,139.76-2,045.88

Finding the Fourth Proportional to 3,724.44, 5,139.76 and 2,045.88

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Solution

The fourth proportional to 3,724.44, 5,139.76 and 2,045.88 is: 2,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.44 : 5,139.76 = 2,045.88 : x
  2. Step 2: Convert to fraction form
    3,724.44/5,139.76 = 2,045.88/x
  3. Step 3: Cross multiply
    3,724.44x = 5,139.76 × 2,045.88
  4. Step 4: Simplify right side
    3,724.44x = 10,515,332.19
  5. Step 5: Solve for x
    x = 10,515,332.19/3,724.44
  6. Step 6: Final answer
    x = 2,823.33

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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.