Home / 4,147.04-5,721.44-2,377.28

Finding the Fourth Proportional to 4,147.04, 5,721.44 and 2,377.28

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Solution

The fourth proportional to 4,147.04, 5,721.44 and 2,377.28 is: 3,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.04 : 5,721.44 = 2,377.28 : x
  2. Step 2: Convert to fraction form
    4,147.04/5,721.44 = 2,377.28/x
  3. Step 3: Cross multiply
    4,147.04x = 5,721.44 × 2,377.28
  4. Step 4: Simplify right side
    4,147.04x = 13,601,464.88
  5. Step 5: Solve for x
    x = 13,601,464.88/4,147.04
  6. Step 6: Final answer
    x = 3,279.80

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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.