Home / 2,240.75-3,339.42-2,124.11

Finding the Fourth Proportional to 2,240.75, 3,339.42 and 2,124.11

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Solution

The fourth proportional to 2,240.75, 3,339.42 and 2,124.11 is: 3,165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.75 : 3,339.42 = 2,124.11 : x
  2. Step 2: Convert to fraction form
    2,240.75/3,339.42 = 2,124.11/x
  3. Step 3: Cross multiply
    2,240.75x = 3,339.42 × 2,124.11
  4. Step 4: Simplify right side
    2,240.75x = 7,093,295.42
  5. Step 5: Solve for x
    x = 7,093,295.42/2,240.75
  6. Step 6: Final answer
    x = 3,165.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.