Home / 5,360.52-7,395.48-3,121.26

Finding the Fourth Proportional to 5,360.52, 7,395.48 and 3,121.26

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Solution

The fourth proportional to 5,360.52, 7,395.48 and 3,121.26 is: 4,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.52 : 7,395.48 = 3,121.26 : x
  2. Step 2: Convert to fraction form
    5,360.52/7,395.48 = 3,121.26/x
  3. Step 3: Cross multiply
    5,360.52x = 7,395.48 × 3,121.26
  4. Step 4: Simplify right side
    5,360.52x = 23,083,215.90
  5. Step 5: Solve for x
    x = 23,083,215.90/5,360.52
  6. Step 6: Final answer
    x = 4,306.15

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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.