Home / 3,184.61-4,396.25-2,124.14

Finding the Fourth Proportional to 3,184.61, 4,396.25 and 2,124.14

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Solution

The fourth proportional to 3,184.61, 4,396.25 and 2,124.14 is: 2,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.61 : 4,396.25 = 2,124.14 : x
  2. Step 2: Convert to fraction form
    3,184.61/4,396.25 = 2,124.14/x
  3. Step 3: Cross multiply
    3,184.61x = 4,396.25 × 2,124.14
  4. Step 4: Simplify right side
    3,184.61x = 9,338,239.85
  5. Step 5: Solve for x
    x = 9,338,239.85/3,184.61
  6. Step 6: Final answer
    x = 2,932.30

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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.