Home / 2,994.60-4,490.76-913.97

Finding the Fourth Proportional to 2,994.60, 4,490.76 and 913.97

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Solution

The fourth proportional to 2,994.60, 4,490.76 and 913.97 is: 1,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.60 : 4,490.76 = 913.97 : x
  2. Step 2: Convert to fraction form
    2,994.60/4,490.76 = 913.97/x
  3. Step 3: Cross multiply
    2,994.60x = 4,490.76 × 913.97
  4. Step 4: Simplify right side
    2,994.60x = 4,104,397.46
  5. Step 5: Solve for x
    x = 4,104,397.46/2,994.60
  6. Step 6: Final answer
    x = 1,370.60

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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.