Home / 5,686.72-7,852.62-3,565.90

Finding the Fourth Proportional to 5,686.72, 7,852.62 and 3,565.90

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Solution

The fourth proportional to 5,686.72, 7,852.62 and 3,565.90 is: 4,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.72 : 7,852.62 = 3,565.90 : x
  2. Step 2: Convert to fraction form
    5,686.72/7,852.62 = 3,565.90/x
  3. Step 3: Cross multiply
    5,686.72x = 7,852.62 × 3,565.90
  4. Step 4: Simplify right side
    5,686.72x = 28,001,657.66
  5. Step 5: Solve for x
    x = 28,001,657.66/5,686.72
  6. Step 6: Final answer
    x = 4,924.04

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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.