Home / 5,659.65-7,810.04-3,141.73

Finding the Fourth Proportional to 5,659.65, 7,810.04 and 3,141.73

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Solution

The fourth proportional to 5,659.65, 7,810.04 and 3,141.73 is: 4,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.65 : 7,810.04 = 3,141.73 : x
  2. Step 2: Convert to fraction form
    5,659.65/7,810.04 = 3,141.73/x
  3. Step 3: Cross multiply
    5,659.65x = 7,810.04 × 3,141.73
  4. Step 4: Simplify right side
    5,659.65x = 24,537,036.97
  5. Step 5: Solve for x
    x = 24,537,036.97/5,659.65
  6. Step 6: Final answer
    x = 4,335.43

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1.5x scale

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.