Home / 7,331.35-10,117.22-3,974.13

Finding the Fourth Proportional to 7,331.35, 10,117.22 and 3,974.13

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Solution

The fourth proportional to 7,331.35, 10,117.22 and 3,974.13 is: 5,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.35 : 10,117.22 = 3,974.13 : x
  2. Step 2: Convert to fraction form
    7,331.35/10,117.22 = 3,974.13/x
  3. Step 3: Cross multiply
    7,331.35x = 10,117.22 × 3,974.13
  4. Step 4: Simplify right side
    7,331.35x = 40,207,157.45
  5. Step 5: Solve for x
    x = 40,207,157.45/7,331.35
  6. Step 6: Final answer
    x = 5,484.28

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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.