Home / 5,917.60-8,870.28-2,217.22

Finding the Fourth Proportional to 5,917.60, 8,870.28 and 2,217.22

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Solution

The fourth proportional to 5,917.60, 8,870.28 and 2,217.22 is: 3,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.60 : 8,870.28 = 2,217.22 : x
  2. Step 2: Convert to fraction form
    5,917.60/8,870.28 = 2,217.22/x
  3. Step 3: Cross multiply
    5,917.60x = 8,870.28 × 2,217.22
  4. Step 4: Simplify right side
    5,917.60x = 19,667,362.22
  5. Step 5: Solve for x
    x = 19,667,362.22/5,917.60
  6. Step 6: Final answer
    x = 3,323.54

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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.