Home / 6,115.07-8,438.75-3,462.46

Finding the Fourth Proportional to 6,115.07, 8,438.75 and 3,462.46

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Solution

The fourth proportional to 6,115.07, 8,438.75 and 3,462.46 is: 4,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.07 : 8,438.75 = 3,462.46 : x
  2. Step 2: Convert to fraction form
    6,115.07/8,438.75 = 3,462.46/x
  3. Step 3: Cross multiply
    6,115.07x = 8,438.75 × 3,462.46
  4. Step 4: Simplify right side
    6,115.07x = 29,218,834.33
  5. Step 5: Solve for x
    x = 29,218,834.33/6,115.07
  6. Step 6: Final answer
    x = 4,778.17

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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.