Home / 5,867.87-8,097.66-3,215.30

Finding the Fourth Proportional to 5,867.87, 8,097.66 and 3,215.30

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Solution

The fourth proportional to 5,867.87, 8,097.66 and 3,215.30 is: 4,437.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,867.87 : 8,097.66 = 3,215.30 : x
  2. Step 2: Convert to fraction form
    5,867.87/8,097.66 = 3,215.30/x
  3. Step 3: Cross multiply
    5,867.87x = 8,097.66 × 3,215.30
  4. Step 4: Simplify right side
    5,867.87x = 26,036,406.20
  5. Step 5: Solve for x
    x = 26,036,406.20/5,867.87
  6. Step 6: Final answer
    x = 4,437.11

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1.5x scale

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.