Home / 2,979.06-4,455.17-2,276.48

Finding the Fourth Proportional to 2,979.06, 4,455.17 and 2,276.48

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Solution

The fourth proportional to 2,979.06, 4,455.17 and 2,276.48 is: 3,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.06 : 4,455.17 = 2,276.48 : x
  2. Step 2: Convert to fraction form
    2,979.06/4,455.17 = 2,276.48/x
  3. Step 3: Cross multiply
    2,979.06x = 4,455.17 × 2,276.48
  4. Step 4: Simplify right side
    2,979.06x = 10,142,071.74
  5. Step 5: Solve for x
    x = 10,142,071.74/2,979.06
  6. Step 6: Final answer
    x = 3,404.46

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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.