Home / 4,169.80-5,754.78-2,377.72

Finding the Fourth Proportional to 4,169.80, 5,754.78 and 2,377.72

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Solution

The fourth proportional to 4,169.80, 5,754.78 and 2,377.72 is: 3,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.80 : 5,754.78 = 2,377.72 : x
  2. Step 2: Convert to fraction form
    4,169.80/5,754.78 = 2,377.72/x
  3. Step 3: Cross multiply
    4,169.80x = 5,754.78 × 2,377.72
  4. Step 4: Simplify right side
    4,169.80x = 13,683,255.50
  5. Step 5: Solve for x
    x = 13,683,255.50/4,169.80
  6. Step 6: Final answer
    x = 3,281.51

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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.