Home / 5,870.43-8,101.14-3,181.64

Finding the Fourth Proportional to 5,870.43, 8,101.14 and 3,181.64

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Solution

The fourth proportional to 5,870.43, 8,101.14 and 3,181.64 is: 4,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.43 : 8,101.14 = 3,181.64 : x
  2. Step 2: Convert to fraction form
    5,870.43/8,101.14 = 3,181.64/x
  3. Step 3: Cross multiply
    5,870.43x = 8,101.14 × 3,181.64
  4. Step 4: Simplify right side
    5,870.43x = 25,774,870.56
  5. Step 5: Solve for x
    x = 25,774,870.56/5,870.43
  6. Step 6: Final answer
    x = 4,390.63

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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.