Home / 2,962.24-4,443.40-770.92

Finding the Fourth Proportional to 2,962.24, 4,443.40 and 770.92

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Solution

The fourth proportional to 2,962.24, 4,443.40 and 770.92 is: 1,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.24 : 4,443.40 = 770.92 : x
  2. Step 2: Convert to fraction form
    2,962.24/4,443.40 = 770.92/x
  3. Step 3: Cross multiply
    2,962.24x = 4,443.40 × 770.92
  4. Step 4: Simplify right side
    2,962.24x = 3,425,505.93
  5. Step 5: Solve for x
    x = 3,425,505.93/2,962.24
  6. Step 6: Final answer
    x = 1,156.39

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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.