Home / 5,360.91-7,398.39-3,003.19

Finding the Fourth Proportional to 5,360.91, 7,398.39 and 3,003.19

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Solution

The fourth proportional to 5,360.91, 7,398.39 and 3,003.19 is: 4,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.91 : 7,398.39 = 3,003.19 : x
  2. Step 2: Convert to fraction form
    5,360.91/7,398.39 = 3,003.19/x
  3. Step 3: Cross multiply
    5,360.91x = 7,398.39 × 3,003.19
  4. Step 4: Simplify right side
    5,360.91x = 22,218,770.86
  5. Step 5: Solve for x
    x = 22,218,770.86/5,360.91
  6. Step 6: Final answer
    x = 4,144.59

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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.