Home / 4,931.56-7,399.50-2,591.02

Finding the Fourth Proportional to 4,931.56, 7,399.50 and 2,591.02

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Solution

The fourth proportional to 4,931.56, 7,399.50 and 2,591.02 is: 3,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.56 : 7,399.50 = 2,591.02 : x
  2. Step 2: Convert to fraction form
    4,931.56/7,399.50 = 2,591.02/x
  3. Step 3: Cross multiply
    4,931.56x = 7,399.50 × 2,591.02
  4. Step 4: Simplify right side
    4,931.56x = 19,172,233.99
  5. Step 5: Solve for x
    x = 19,172,233.99/4,931.56
  6. Step 6: Final answer
    x = 3,887.66

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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.