Home / 5,132.75-7,084.22-2,894.68

Finding the Fourth Proportional to 5,132.75, 7,084.22 and 2,894.68

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Solution

The fourth proportional to 5,132.75, 7,084.22 and 2,894.68 is: 3,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.75 : 7,084.22 = 2,894.68 : x
  2. Step 2: Convert to fraction form
    5,132.75/7,084.22 = 2,894.68/x
  3. Step 3: Cross multiply
    5,132.75x = 7,084.22 × 2,894.68
  4. Step 4: Simplify right side
    5,132.75x = 20,506,517.77
  5. Step 5: Solve for x
    x = 20,506,517.77/5,132.75
  6. Step 6: Final answer
    x = 3,995.23

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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.