Home / 5,251.36-7,877.76-2,329.60

Finding the Fourth Proportional to 5,251.36, 7,877.76 and 2,329.60

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Solution

The fourth proportional to 5,251.36, 7,877.76 and 2,329.60 is: 3,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.36 : 7,877.76 = 2,329.60 : x
  2. Step 2: Convert to fraction form
    5,251.36/7,877.76 = 2,329.60/x
  3. Step 3: Cross multiply
    5,251.36x = 7,877.76 × 2,329.60
  4. Step 4: Simplify right side
    5,251.36x = 18,352,029.70
  5. Step 5: Solve for x
    x = 18,352,029.70/5,251.36
  6. Step 6: Final answer
    x = 3,494.72

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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.