Home / 7,310.13-10,972.98-3,152.20

Finding the Fourth Proportional to 7,310.13, 10,972.98 and 3,152.20

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Solution

The fourth proportional to 7,310.13, 10,972.98 and 3,152.20 is: 4,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.13 : 10,972.98 = 3,152.20 : x
  2. Step 2: Convert to fraction form
    7,310.13/10,972.98 = 3,152.20/x
  3. Step 3: Cross multiply
    7,310.13x = 10,972.98 × 3,152.20
  4. Step 4: Simplify right side
    7,310.13x = 34,589,027.56
  5. Step 5: Solve for x
    x = 34,589,027.56/7,310.13
  6. Step 6: Final answer
    x = 4,731.66

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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.