Home / 7,458.66-11,170.98-3,565.80

Finding the Fourth Proportional to 7,458.66, 11,170.98 and 3,565.80

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Solution

The fourth proportional to 7,458.66, 11,170.98 and 3,565.80 is: 5,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.66 : 11,170.98 = 3,565.80 : x
  2. Step 2: Convert to fraction form
    7,458.66/11,170.98 = 3,565.80/x
  3. Step 3: Cross multiply
    7,458.66x = 11,170.98 × 3,565.80
  4. Step 4: Simplify right side
    7,458.66x = 39,833,480.48
  5. Step 5: Solve for x
    x = 39,833,480.48/7,458.66
  6. Step 6: Final answer
    x = 5,340.57

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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.