Home / 5,616.68-7,750.45-3,098.67

Finding the Fourth Proportional to 5,616.68, 7,750.45 and 3,098.67

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Solution

The fourth proportional to 5,616.68, 7,750.45 and 3,098.67 is: 4,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.68 : 7,750.45 = 3,098.67 : x
  2. Step 2: Convert to fraction form
    5,616.68/7,750.45 = 3,098.67/x
  3. Step 3: Cross multiply
    5,616.68x = 7,750.45 × 3,098.67
  4. Step 4: Simplify right side
    5,616.68x = 24,016,059.54
  5. Step 5: Solve for x
    x = 24,016,059.54/5,616.68
  6. Step 6: Final answer
    x = 4,275.85

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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.