Home / 4,122.58-5,689.12-2,234.16

Finding the Fourth Proportional to 4,122.58, 5,689.12 and 2,234.16

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Solution

The fourth proportional to 4,122.58, 5,689.12 and 2,234.16 is: 3,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.58 : 5,689.12 = 2,234.16 : x
  2. Step 2: Convert to fraction form
    4,122.58/5,689.12 = 2,234.16/x
  3. Step 3: Cross multiply
    4,122.58x = 5,689.12 × 2,234.16
  4. Step 4: Simplify right side
    4,122.58x = 12,710,404.34
  5. Step 5: Solve for x
    x = 12,710,404.34/4,122.58
  6. Step 6: Final answer
    x = 3,083.12

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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.