Home / 7,541.91-10,404.50-5,305.23

Finding the Fourth Proportional to 7,541.91, 10,404.50 and 5,305.23

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Solution

The fourth proportional to 7,541.91, 10,404.50 and 5,305.23 is: 7,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.91 : 10,404.50 = 5,305.23 : x
  2. Step 2: Convert to fraction form
    7,541.91/10,404.50 = 5,305.23/x
  3. Step 3: Cross multiply
    7,541.91x = 10,404.50 × 5,305.23
  4. Step 4: Simplify right side
    7,541.91x = 55,198,239.01
  5. Step 5: Solve for x
    x = 55,198,239.01/7,541.91
  6. Step 6: Final answer
    x = 7,318.87

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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.