Home / 7,150.85-10,722.05-2,932.84

Finding the Fourth Proportional to 7,150.85, 10,722.05 and 2,932.84

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Solution

The fourth proportional to 7,150.85, 10,722.05 and 2,932.84 is: 4,397.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.85 : 10,722.05 = 2,932.84 : x
  2. Step 2: Convert to fraction form
    7,150.85/10,722.05 = 2,932.84/x
  3. Step 3: Cross multiply
    7,150.85x = 10,722.05 × 2,932.84
  4. Step 4: Simplify right side
    7,150.85x = 31,446,084.56
  5. Step 5: Solve for x
    x = 31,446,084.56/7,150.85
  6. Step 6: Final answer
    x = 4,397.53

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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.