Home / 5,616.40-7,750.32-3,098.50

Finding the Fourth Proportional to 5,616.40, 7,750.32 and 3,098.50

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Solution

The fourth proportional to 5,616.40, 7,750.32 and 3,098.50 is: 4,275.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.40 : 7,750.32 = 3,098.50 : x
  2. Step 2: Convert to fraction form
    5,616.40/7,750.32 = 3,098.50/x
  3. Step 3: Cross multiply
    5,616.40x = 7,750.32 × 3,098.50
  4. Step 4: Simplify right side
    5,616.40x = 24,014,366.52
  5. Step 5: Solve for x
    x = 24,014,366.52/5,616.40
  6. Step 6: Final answer
    x = 4,275.76

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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.