Home / 7,151.18-10,722.42-3,201.70

Finding the Fourth Proportional to 7,151.18, 10,722.42 and 3,201.70

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Solution

The fourth proportional to 7,151.18, 10,722.42 and 3,201.70 is: 4,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.18 : 10,722.42 = 3,201.70 : x
  2. Step 2: Convert to fraction form
    7,151.18/10,722.42 = 3,201.70/x
  3. Step 3: Cross multiply
    7,151.18x = 10,722.42 × 3,201.70
  4. Step 4: Simplify right side
    7,151.18x = 34,329,972.11
  5. Step 5: Solve for x
    x = 34,329,972.11/7,151.18
  6. Step 6: Final answer
    x = 4,800.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.