Home / 4,691.12-7,024.32-3,045.20

Finding the Fourth Proportional to 4,691.12, 7,024.32 and 3,045.20

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Solution

The fourth proportional to 4,691.12, 7,024.32 and 3,045.20 is: 4,559.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.12 : 7,024.32 = 3,045.20 : x
  2. Step 2: Convert to fraction form
    4,691.12/7,024.32 = 3,045.20/x
  3. Step 3: Cross multiply
    4,691.12x = 7,024.32 × 3,045.20
  4. Step 4: Simplify right side
    4,691.12x = 21,390,424.14
  5. Step 5: Solve for x
    x = 21,390,424.14/4,691.12
  6. Step 6: Final answer
    x = 4,559.77

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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.