Home / 5,251.20-7,876.08-2,477.04

Finding the Fourth Proportional to 5,251.20, 7,876.08 and 2,477.04

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Solution

The fourth proportional to 5,251.20, 7,876.08 and 2,477.04 is: 3,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.20 : 7,876.08 = 2,477.04 : x
  2. Step 2: Convert to fraction form
    5,251.20/7,876.08 = 2,477.04/x
  3. Step 3: Cross multiply
    5,251.20x = 7,876.08 × 2,477.04
  4. Step 4: Simplify right side
    5,251.20x = 19,509,365.20
  5. Step 5: Solve for x
    x = 19,509,365.20/5,251.20
  6. Step 6: Final answer
    x = 3,715.22

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1.5x scale

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.