Home / 5,565.65-7,680.60-3,013.43

Finding the Fourth Proportional to 5,565.65, 7,680.60 and 3,013.43

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Solution

The fourth proportional to 5,565.65, 7,680.60 and 3,013.43 is: 4,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.65 : 7,680.60 = 3,013.43 : x
  2. Step 2: Convert to fraction form
    5,565.65/7,680.60 = 3,013.43/x
  3. Step 3: Cross multiply
    5,565.65x = 7,680.60 × 3,013.43
  4. Step 4: Simplify right side
    5,565.65x = 23,144,955.26
  5. Step 5: Solve for x
    x = 23,144,955.26/5,565.65
  6. Step 6: Final answer
    x = 4,158.54

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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.