Home / 5,401.15-7,451.40-3,306.49

Finding the Fourth Proportional to 5,401.15, 7,451.40 and 3,306.49

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Solution

The fourth proportional to 5,401.15, 7,451.40 and 3,306.49 is: 4,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.15 : 7,451.40 = 3,306.49 : x
  2. Step 2: Convert to fraction form
    5,401.15/7,451.40 = 3,306.49/x
  3. Step 3: Cross multiply
    5,401.15x = 7,451.40 × 3,306.49
  4. Step 4: Simplify right side
    5,401.15x = 24,637,963.05
  5. Step 5: Solve for x
    x = 24,637,963.05/5,401.15
  6. Step 6: Final answer
    x = 4,561.61

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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.