Home / 5,870.62-8,101.62-3,218.08

Finding the Fourth Proportional to 5,870.62, 8,101.62 and 3,218.08

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Solution

The fourth proportional to 5,870.62, 8,101.62 and 3,218.08 is: 4,441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.62 : 8,101.62 = 3,218.08 : x
  2. Step 2: Convert to fraction form
    5,870.62/8,101.62 = 3,218.08/x
  3. Step 3: Cross multiply
    5,870.62x = 8,101.62 × 3,218.08
  4. Step 4: Simplify right side
    5,870.62x = 26,071,661.29
  5. Step 5: Solve for x
    x = 26,071,661.29/5,870.62
  6. Step 6: Final answer
    x = 4,441.04

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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.