Home / 4,867.98-7,290.28-2,781.66

Finding the Fourth Proportional to 4,867.98, 7,290.28 and 2,781.66

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Solution

The fourth proportional to 4,867.98, 7,290.28 and 2,781.66 is: 4,165.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.98 : 7,290.28 = 2,781.66 : x
  2. Step 2: Convert to fraction form
    4,867.98/7,290.28 = 2,781.66/x
  3. Step 3: Cross multiply
    4,867.98x = 7,290.28 × 2,781.66
  4. Step 4: Simplify right side
    4,867.98x = 20,279,080.26
  5. Step 5: Solve for x
    x = 20,279,080.26/4,867.98
  6. Step 6: Final answer
    x = 4,165.81

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1.5x scale

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.