Home / 5,970.87-8,240.45-3,318.53

Finding the Fourth Proportional to 5,970.87, 8,240.45 and 3,318.53

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Solution

The fourth proportional to 5,970.87, 8,240.45 and 3,318.53 is: 4,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.87 : 8,240.45 = 3,318.53 : x
  2. Step 2: Convert to fraction form
    5,970.87/8,240.45 = 3,318.53/x
  3. Step 3: Cross multiply
    5,970.87x = 8,240.45 × 3,318.53
  4. Step 4: Simplify right side
    5,970.87x = 27,346,122.74
  5. Step 5: Solve for x
    x = 27,346,122.74/5,970.87
  6. Step 6: Final answer
    x = 4,579.92

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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.