Home / 4,070.96-5,617.66-2,278.14

Finding the Fourth Proportional to 4,070.96, 5,617.66 and 2,278.14

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Solution

The fourth proportional to 4,070.96, 5,617.66 and 2,278.14 is: 3,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.96 : 5,617.66 = 2,278.14 : x
  2. Step 2: Convert to fraction form
    4,070.96/5,617.66 = 2,278.14/x
  3. Step 3: Cross multiply
    4,070.96x = 5,617.66 × 2,278.14
  4. Step 4: Simplify right side
    4,070.96x = 12,797,815.95
  5. Step 5: Solve for x
    x = 12,797,815.95/4,070.96
  6. Step 6: Final answer
    x = 3,143.68

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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.