Home / 5,132.68-7,085.82-4,335.64

Finding the Fourth Proportional to 5,132.68, 7,085.82 and 4,335.64

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Solution

The fourth proportional to 5,132.68, 7,085.82 and 4,335.64 is: 5,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.68 : 7,085.82 = 4,335.64 : x
  2. Step 2: Convert to fraction form
    5,132.68/7,085.82 = 4,335.64/x
  3. Step 3: Cross multiply
    5,132.68x = 7,085.82 × 4,335.64
  4. Step 4: Simplify right side
    5,132.68x = 30,721,564.62
  5. Step 5: Solve for x
    x = 30,721,564.62/5,132.68
  6. Step 6: Final answer
    x = 5,985.48

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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.