Home / 4,081.52-5,632.48-2,218.56

Finding the Fourth Proportional to 4,081.52, 5,632.48 and 2,218.56

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Solution

The fourth proportional to 4,081.52, 5,632.48 and 2,218.56 is: 3,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.52 : 5,632.48 = 2,218.56 : x
  2. Step 2: Convert to fraction form
    4,081.52/5,632.48 = 2,218.56/x
  3. Step 3: Cross multiply
    4,081.52x = 5,632.48 × 2,218.56
  4. Step 4: Simplify right side
    4,081.52x = 12,495,994.83
  5. Step 5: Solve for x
    x = 12,495,994.83/4,081.52
  6. Step 6: Final answer
    x = 3,061.60

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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.