Home / 5,631.27-8,447.40-1,471.24

Finding the Fourth Proportional to 5,631.27, 8,447.40 and 1,471.24

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Solution

The fourth proportional to 5,631.27, 8,447.40 and 1,471.24 is: 2,206.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.27 : 8,447.40 = 1,471.24 : x
  2. Step 2: Convert to fraction form
    5,631.27/8,447.40 = 1,471.24/x
  3. Step 3: Cross multiply
    5,631.27x = 8,447.40 × 1,471.24
  4. Step 4: Simplify right side
    5,631.27x = 12,428,145.42
  5. Step 5: Solve for x
    x = 12,428,145.42/5,631.27
  6. Step 6: Final answer
    x = 2,206.99

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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.