Home / 5,616.12-7,752.88-3,257.80

Finding the Fourth Proportional to 5,616.12, 7,752.88 and 3,257.80

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Solution

The fourth proportional to 5,616.12, 7,752.88 and 3,257.80 is: 4,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.12 : 7,752.88 = 3,257.80 : x
  2. Step 2: Convert to fraction form
    5,616.12/7,752.88 = 3,257.80/x
  3. Step 3: Cross multiply
    5,616.12x = 7,752.88 × 3,257.80
  4. Step 4: Simplify right side
    5,616.12x = 25,257,332.46
  5. Step 5: Solve for x
    x = 25,257,332.46/5,616.12
  6. Step 6: Final answer
    x = 4,497.29

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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.