Home / 4,144.75-5,719.85-2,281.75

Finding the Fourth Proportional to 4,144.75, 5,719.85 and 2,281.75

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Solution

The fourth proportional to 4,144.75, 5,719.85 and 2,281.75 is: 3,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.75 : 5,719.85 = 2,281.75 : x
  2. Step 2: Convert to fraction form
    4,144.75/5,719.85 = 2,281.75/x
  3. Step 3: Cross multiply
    4,144.75x = 5,719.85 × 2,281.75
  4. Step 4: Simplify right side
    4,144.75x = 13,051,267.74
  5. Step 5: Solve for x
    x = 13,051,267.74/4,144.75
  6. Step 6: Final answer
    x = 3,148.87

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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.