Home / 7,631.10-10,531.08-4,273.92

Finding the Fourth Proportional to 7,631.10, 10,531.08 and 4,273.92

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Solution

The fourth proportional to 7,631.10, 10,531.08 and 4,273.92 is: 5,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.10 : 10,531.08 = 4,273.92 : x
  2. Step 2: Convert to fraction form
    7,631.10/10,531.08 = 4,273.92/x
  3. Step 3: Cross multiply
    7,631.10x = 10,531.08 × 4,273.92
  4. Step 4: Simplify right side
    7,631.10x = 45,008,993.43
  5. Step 5: Solve for x
    x = 45,008,993.43/7,631.10
  6. Step 6: Final answer
    x = 5,898.10

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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.