Home / 5,321.49-7,989.29-4,546.47

Finding the Fourth Proportional to 5,321.49, 7,989.29 and 4,546.47

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Solution

The fourth proportional to 5,321.49, 7,989.29 and 4,546.47 is: 6,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.49 : 7,989.29 = 4,546.47 : x
  2. Step 2: Convert to fraction form
    5,321.49/7,989.29 = 4,546.47/x
  3. Step 3: Cross multiply
    5,321.49x = 7,989.29 × 4,546.47
  4. Step 4: Simplify right side
    5,321.49x = 36,323,044.57
  5. Step 5: Solve for x
    x = 36,323,044.57/5,321.49
  6. Step 6: Final answer
    x = 6,825.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.