Home / 5,074.74-7,002.72-3,186.66

Finding the Fourth Proportional to 5,074.74, 7,002.72 and 3,186.66

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Solution

The fourth proportional to 5,074.74, 7,002.72 and 3,186.66 is: 4,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.74 : 7,002.72 = 3,186.66 : x
  2. Step 2: Convert to fraction form
    5,074.74/7,002.72 = 3,186.66/x
  3. Step 3: Cross multiply
    5,074.74x = 7,002.72 × 3,186.66
  4. Step 4: Simplify right side
    5,074.74x = 22,315,287.72
  5. Step 5: Solve for x
    x = 22,315,287.72/5,074.74
  6. Step 6: Final answer
    x = 4,397.33

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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.