Home / 5,431.32-8,147.52-5,060.88

Finding the Fourth Proportional to 5,431.32, 8,147.52 and 5,060.88

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Solution

The fourth proportional to 5,431.32, 8,147.52 and 5,060.88 is: 7,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.32 : 8,147.52 = 5,060.88 : x
  2. Step 2: Convert to fraction form
    5,431.32/8,147.52 = 5,060.88/x
  3. Step 3: Cross multiply
    5,431.32x = 8,147.52 × 5,060.88
  4. Step 4: Simplify right side
    5,431.32x = 41,233,621.02
  5. Step 5: Solve for x
    x = 41,233,621.02/5,431.32
  6. Step 6: Final answer
    x = 7,591.82

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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.