Home / 4,067.12-5,612.56-2,298.72

Finding the Fourth Proportional to 4,067.12, 5,612.56 and 2,298.72

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Solution

The fourth proportional to 4,067.12, 5,612.56 and 2,298.72 is: 3,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.12 : 5,612.56 = 2,298.72 : x
  2. Step 2: Convert to fraction form
    4,067.12/5,612.56 = 2,298.72/x
  3. Step 3: Cross multiply
    4,067.12x = 5,612.56 × 2,298.72
  4. Step 4: Simplify right side
    4,067.12x = 12,901,703.92
  5. Step 5: Solve for x
    x = 12,901,703.92/4,067.12
  6. Step 6: Final answer
    x = 3,172.20

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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.