Home / 7,244.72-9,997.71-4,100.91

Finding the Fourth Proportional to 7,244.72, 9,997.71 and 4,100.91

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Solution

The fourth proportional to 7,244.72, 9,997.71 and 4,100.91 is: 5,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.72 : 9,997.71 = 4,100.91 : x
  2. Step 2: Convert to fraction form
    7,244.72/9,997.71 = 4,100.91/x
  3. Step 3: Cross multiply
    7,244.72x = 9,997.71 × 4,100.91
  4. Step 4: Simplify right side
    7,244.72x = 40,999,679.11
  5. Step 5: Solve for x
    x = 40,999,679.11/7,244.72
  6. Step 6: Final answer
    x = 5,659.25

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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.