Home / 5,461.24-8,191.81-1,565.65

Finding the Fourth Proportional to 5,461.24, 8,191.81 and 1,565.65

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Solution

The fourth proportional to 5,461.24, 8,191.81 and 1,565.65 is: 2,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.24 : 8,191.81 = 1,565.65 : x
  2. Step 2: Convert to fraction form
    5,461.24/8,191.81 = 1,565.65/x
  3. Step 3: Cross multiply
    5,461.24x = 8,191.81 × 1,565.65
  4. Step 4: Simplify right side
    5,461.24x = 12,825,507.33
  5. Step 5: Solve for x
    x = 12,825,507.33/5,461.24
  6. Step 6: Final answer
    x = 2,348.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.