Home / 3,458.22-5,175.15-2,977.08

Finding the Fourth Proportional to 3,458.22, 5,175.15 and 2,977.08

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Solution

The fourth proportional to 3,458.22, 5,175.15 and 2,977.08 is: 4,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.22 : 5,175.15 = 2,977.08 : x
  2. Step 2: Convert to fraction form
    3,458.22/5,175.15 = 2,977.08/x
  3. Step 3: Cross multiply
    3,458.22x = 5,175.15 × 2,977.08
  4. Step 4: Simplify right side
    3,458.22x = 15,406,835.56
  5. Step 5: Solve for x
    x = 15,406,835.56/3,458.22
  6. Step 6: Final answer
    x = 4,455.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.