Home / 4,717.28-6,509.89-2,949.91

Finding the Fourth Proportional to 4,717.28, 6,509.89 and 2,949.91

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Solution

The fourth proportional to 4,717.28, 6,509.89 and 2,949.91 is: 4,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.28 : 6,509.89 = 2,949.91 : x
  2. Step 2: Convert to fraction form
    4,717.28/6,509.89 = 2,949.91/x
  3. Step 3: Cross multiply
    4,717.28x = 6,509.89 × 2,949.91
  4. Step 4: Simplify right side
    4,717.28x = 19,203,589.61
  5. Step 5: Solve for x
    x = 19,203,589.61/4,717.28
  6. Step 6: Final answer
    x = 4,070.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.