Home / 4,172.01-5,757.20-2,379.58

Finding the Fourth Proportional to 4,172.01, 5,757.20 and 2,379.58

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Solution

The fourth proportional to 4,172.01, 5,757.20 and 2,379.58 is: 3,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.01 : 5,757.20 = 2,379.58 : x
  2. Step 2: Convert to fraction form
    4,172.01/5,757.20 = 2,379.58/x
  3. Step 3: Cross multiply
    4,172.01x = 5,757.20 × 2,379.58
  4. Step 4: Simplify right side
    4,172.01x = 13,699,707.30
  5. Step 5: Solve for x
    x = 13,699,707.30/4,172.01
  6. Step 6: Final answer
    x = 3,283.72

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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.