Home / 2,927.10-4,390.65-2,562.60

Finding the Fourth Proportional to 2,927.10, 4,390.65 and 2,562.60

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Solution

The fourth proportional to 2,927.10, 4,390.65 and 2,562.60 is: 3,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.10 : 4,390.65 = 2,562.60 : x
  2. Step 2: Convert to fraction form
    2,927.10/4,390.65 = 2,562.60/x
  3. Step 3: Cross multiply
    2,927.10x = 4,390.65 × 2,562.60
  4. Step 4: Simplify right side
    2,927.10x = 11,251,479.69
  5. Step 5: Solve for x
    x = 11,251,479.69/2,927.10
  6. Step 6: Final answer
    x = 3,843.90

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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.