Home / 5,565.80-7,680.47-3,047.91

Finding the Fourth Proportional to 5,565.80, 7,680.47 and 3,047.91

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Solution

The fourth proportional to 5,565.80, 7,680.47 and 3,047.91 is: 4,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.80 : 7,680.47 = 3,047.91 : x
  2. Step 2: Convert to fraction form
    5,565.80/7,680.47 = 3,047.91/x
  3. Step 3: Cross multiply
    5,565.80x = 7,680.47 × 3,047.91
  4. Step 4: Simplify right side
    5,565.80x = 23,409,366.08
  5. Step 5: Solve for x
    x = 23,409,366.08/5,565.80
  6. Step 6: Final answer
    x = 4,205.93

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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.