Home / 3,319.33-4,575.76-2,124.18

Finding the Fourth Proportional to 3,319.33, 4,575.76 and 2,124.18

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Solution

The fourth proportional to 3,319.33, 4,575.76 and 2,124.18 is: 2,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.33 : 4,575.76 = 2,124.18 : x
  2. Step 2: Convert to fraction form
    3,319.33/4,575.76 = 2,124.18/x
  3. Step 3: Cross multiply
    3,319.33x = 4,575.76 × 2,124.18
  4. Step 4: Simplify right side
    3,319.33x = 9,719,737.88
  5. Step 5: Solve for x
    x = 9,719,737.88/3,319.33
  6. Step 6: Final answer
    x = 2,928.22

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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.