Home / 5,660.32-8,432.12-5,488.36

Finding the Fourth Proportional to 5,660.32, 8,432.12 and 5,488.36

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Solution

The fourth proportional to 5,660.32, 8,432.12 and 5,488.36 is: 8,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.32 : 8,432.12 = 5,488.36 : x
  2. Step 2: Convert to fraction form
    5,660.32/8,432.12 = 5,488.36/x
  3. Step 3: Cross multiply
    5,660.32x = 8,432.12 × 5,488.36
  4. Step 4: Simplify right side
    5,660.32x = 46,278,510.12
  5. Step 5: Solve for x
    x = 46,278,510.12/5,660.32
  6. Step 6: Final answer
    x = 8,175.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.