Home / 7,325.60-10,981.46-2,391.80

Finding the Fourth Proportional to 7,325.60, 10,981.46 and 2,391.80

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Solution

The fourth proportional to 7,325.60, 10,981.46 and 2,391.80 is: 3,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.60 : 10,981.46 = 2,391.80 : x
  2. Step 2: Convert to fraction form
    7,325.60/10,981.46 = 2,391.80/x
  3. Step 3: Cross multiply
    7,325.60x = 10,981.46 × 2,391.80
  4. Step 4: Simplify right side
    7,325.60x = 26,265,456.03
  5. Step 5: Solve for x
    x = 26,265,456.03/7,325.60
  6. Step 6: Final answer
    x = 3,585.43

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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.