Home / 2,977.52-4,462.62-2,158.60

Finding the Fourth Proportional to 2,977.52, 4,462.62 and 2,158.60

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Solution

The fourth proportional to 2,977.52, 4,462.62 and 2,158.60 is: 3,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.52 : 4,462.62 = 2,158.60 : x
  2. Step 2: Convert to fraction form
    2,977.52/4,462.62 = 2,158.60/x
  3. Step 3: Cross multiply
    2,977.52x = 4,462.62 × 2,158.60
  4. Step 4: Simplify right side
    2,977.52x = 9,633,011.53
  5. Step 5: Solve for x
    x = 9,633,011.53/2,977.52
  6. Step 6: Final answer
    x = 3,235.25

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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.