Home / 3,475.70-5,213.86-1,135.61

Finding the Fourth Proportional to 3,475.70, 5,213.86 and 1,135.61

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Solution

The fourth proportional to 3,475.70, 5,213.86 and 1,135.61 is: 1,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.70 : 5,213.86 = 1,135.61 : x
  2. Step 2: Convert to fraction form
    3,475.70/5,213.86 = 1,135.61/x
  3. Step 3: Cross multiply
    3,475.70x = 5,213.86 × 1,135.61
  4. Step 4: Simplify right side
    3,475.70x = 5,920,885.49
  5. Step 5: Solve for x
    x = 5,920,885.49/3,475.70
  6. Step 6: Final answer
    x = 1,703.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.