Home / 5,230.23-7,844.28-1,531.46

Finding the Fourth Proportional to 5,230.23, 7,844.28 and 1,531.46

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Solution

The fourth proportional to 5,230.23, 7,844.28 and 1,531.46 is: 2,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.23 : 7,844.28 = 1,531.46 : x
  2. Step 2: Convert to fraction form
    5,230.23/7,844.28 = 1,531.46/x
  3. Step 3: Cross multiply
    5,230.23x = 7,844.28 × 1,531.46
  4. Step 4: Simplify right side
    5,230.23x = 12,013,214.92
  5. Step 5: Solve for x
    x = 12,013,214.92/5,230.23
  6. Step 6: Final answer
    x = 2,296.88

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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.