Home / 5,240.06-7,237.45-4,119.57

Finding the Fourth Proportional to 5,240.06, 7,237.45 and 4,119.57

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Solution

The fourth proportional to 5,240.06, 7,237.45 and 4,119.57 is: 5,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.06 : 7,237.45 = 4,119.57 : x
  2. Step 2: Convert to fraction form
    5,240.06/7,237.45 = 4,119.57/x
  3. Step 3: Cross multiply
    5,240.06x = 7,237.45 × 4,119.57
  4. Step 4: Simplify right side
    5,240.06x = 29,815,181.90
  5. Step 5: Solve for x
    x = 29,815,181.90/5,240.06
  6. Step 6: Final answer
    x = 5,689.86

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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.