Home / 5,496.57-7,585.74-3,139.47

Finding the Fourth Proportional to 5,496.57, 7,585.74 and 3,139.47

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Solution

The fourth proportional to 5,496.57, 7,585.74 and 3,139.47 is: 4,332.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,496.57 : 7,585.74 = 3,139.47 : x
  2. Step 2: Convert to fraction form
    5,496.57/7,585.74 = 3,139.47/x
  3. Step 3: Cross multiply
    5,496.57x = 7,585.74 × 3,139.47
  4. Step 4: Simplify right side
    5,496.57x = 23,815,203.16
  5. Step 5: Solve for x
    x = 23,815,203.16/5,496.57
  6. Step 6: Final answer
    x = 4,332.74

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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.