Home / 6,108.65-8,432.12-3,717.53

Finding the Fourth Proportional to 6,108.65, 8,432.12 and 3,717.53

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Solution

The fourth proportional to 6,108.65, 8,432.12 and 3,717.53 is: 5,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.65 : 8,432.12 = 3,717.53 : x
  2. Step 2: Convert to fraction form
    6,108.65/8,432.12 = 3,717.53/x
  3. Step 3: Cross multiply
    6,108.65x = 8,432.12 × 3,717.53
  4. Step 4: Simplify right side
    6,108.65x = 31,346,661.56
  5. Step 5: Solve for x
    x = 31,346,661.56/6,108.65
  6. Step 6: Final answer
    x = 5,131.52

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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.