Home / 5,917.17-8,867.88-2,215.68

Finding the Fourth Proportional to 5,917.17, 8,867.88 and 2,215.68

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Solution

The fourth proportional to 5,917.17, 8,867.88 and 2,215.68 is: 3,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.17 : 8,867.88 = 2,215.68 : x
  2. Step 2: Convert to fraction form
    5,917.17/8,867.88 = 2,215.68/x
  3. Step 3: Cross multiply
    5,917.17x = 8,867.88 × 2,215.68
  4. Step 4: Simplify right side
    5,917.17x = 19,648,384.36
  5. Step 5: Solve for x
    x = 19,648,384.36/5,917.17
  6. Step 6: Final answer
    x = 3,320.57

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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.