Home / 4,772.28-7,158.91-1,484.49

Finding the Fourth Proportional to 4,772.28, 7,158.91 and 1,484.49

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Solution

The fourth proportional to 4,772.28, 7,158.91 and 1,484.49 is: 2,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.28 : 7,158.91 = 1,484.49 : x
  2. Step 2: Convert to fraction form
    4,772.28/7,158.91 = 1,484.49/x
  3. Step 3: Cross multiply
    4,772.28x = 7,158.91 × 1,484.49
  4. Step 4: Simplify right side
    4,772.28x = 10,627,330.31
  5. Step 5: Solve for x
    x = 10,627,330.31/4,772.28
  6. Step 6: Final answer
    x = 2,226.89

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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.