Home / 3,720.26-5,132.31-2,393.46

Finding the Fourth Proportional to 3,720.26, 5,132.31 and 2,393.46

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Solution

The fourth proportional to 3,720.26, 5,132.31 and 2,393.46 is: 3,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.26 : 5,132.31 = 2,393.46 : x
  2. Step 2: Convert to fraction form
    3,720.26/5,132.31 = 2,393.46/x
  3. Step 3: Cross multiply
    3,720.26x = 5,132.31 × 2,393.46
  4. Step 4: Simplify right side
    3,720.26x = 12,283,978.69
  5. Step 5: Solve for x
    x = 12,283,978.69/3,720.26
  6. Step 6: Final answer
    x = 3,301.91

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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.