Home / 5,827.80-8,042.40-3,470.04

Finding the Fourth Proportional to 5,827.80, 8,042.40 and 3,470.04

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Solution

The fourth proportional to 5,827.80, 8,042.40 and 3,470.04 is: 4,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.80 : 8,042.40 = 3,470.04 : x
  2. Step 2: Convert to fraction form
    5,827.80/8,042.40 = 3,470.04/x
  3. Step 3: Cross multiply
    5,827.80x = 8,042.40 × 3,470.04
  4. Step 4: Simplify right side
    5,827.80x = 27,907,449.70
  5. Step 5: Solve for x
    x = 27,907,449.70/5,827.80
  6. Step 6: Final answer
    x = 4,788.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.