Home / 5,565.51-7,680.17-3,047.56

Finding the Fourth Proportional to 5,565.51, 7,680.17 and 3,047.56

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Solution

The fourth proportional to 5,565.51, 7,680.17 and 3,047.56 is: 4,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.51 : 7,680.17 = 3,047.56 : x
  2. Step 2: Convert to fraction form
    5,565.51/7,680.17 = 3,047.56/x
  3. Step 3: Cross multiply
    5,565.51x = 7,680.17 × 3,047.56
  4. Step 4: Simplify right side
    5,565.51x = 23,405,767.30
  5. Step 5: Solve for x
    x = 23,405,767.30/5,565.51
  6. Step 6: Final answer
    x = 4,205.50

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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.