Home / 5,931.12-8,896.14-2,231.76

Finding the Fourth Proportional to 5,931.12, 8,896.14 and 2,231.76

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Solution

The fourth proportional to 5,931.12, 8,896.14 and 2,231.76 is: 3,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.12 : 8,896.14 = 2,231.76 : x
  2. Step 2: Convert to fraction form
    5,931.12/8,896.14 = 2,231.76/x
  3. Step 3: Cross multiply
    5,931.12x = 8,896.14 × 2,231.76
  4. Step 4: Simplify right side
    5,931.12x = 19,854,049.41
  5. Step 5: Solve for x
    x = 19,854,049.41/5,931.12
  6. Step 6: Final answer
    x = 3,347.44

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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.