Home / 5,616.50-7,750.77-3,132.98

Finding the Fourth Proportional to 5,616.50, 7,750.77 and 3,132.98

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Solution

The fourth proportional to 5,616.50, 7,750.77 and 3,132.98 is: 4,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.50 : 7,750.77 = 3,132.98 : x
  2. Step 2: Convert to fraction form
    5,616.50/7,750.77 = 3,132.98/x
  3. Step 3: Cross multiply
    5,616.50x = 7,750.77 × 3,132.98
  4. Step 4: Simplify right side
    5,616.50x = 24,283,007.39
  5. Step 5: Solve for x
    x = 24,283,007.39/5,616.50
  6. Step 6: Final answer
    x = 4,323.51

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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.