Home / 4,115.50-5,679.50-2,347.27

Finding the Fourth Proportional to 4,115.50, 5,679.50 and 2,347.27

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Solution

The fourth proportional to 4,115.50, 5,679.50 and 2,347.27 is: 3,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.50 : 5,679.50 = 2,347.27 : x
  2. Step 2: Convert to fraction form
    4,115.50/5,679.50 = 2,347.27/x
  3. Step 3: Cross multiply
    4,115.50x = 5,679.50 × 2,347.27
  4. Step 4: Simplify right side
    4,115.50x = 13,331,294.03
  5. Step 5: Solve for x
    x = 13,331,294.03/4,115.50
  6. Step 6: Final answer
    x = 3,239.29

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1.5x scale

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.