Home / 4,001.25-5,521.76-2,232.81

Finding the Fourth Proportional to 4,001.25, 5,521.76 and 2,232.81

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Solution

The fourth proportional to 4,001.25, 5,521.76 and 2,232.81 is: 3,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.25 : 5,521.76 = 2,232.81 : x
  2. Step 2: Convert to fraction form
    4,001.25/5,521.76 = 2,232.81/x
  3. Step 3: Cross multiply
    4,001.25x = 5,521.76 × 2,232.81
  4. Step 4: Simplify right side
    4,001.25x = 12,329,054.75
  5. Step 5: Solve for x
    x = 12,329,054.75/4,001.25
  6. Step 6: Final answer
    x = 3,081.30

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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.