Home / 5,103.95-7,044.57-3,216.65

Finding the Fourth Proportional to 5,103.95, 7,044.57 and 3,216.65

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Solution

The fourth proportional to 5,103.95, 7,044.57 and 3,216.65 is: 4,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.95 : 7,044.57 = 3,216.65 : x
  2. Step 2: Convert to fraction form
    5,103.95/7,044.57 = 3,216.65/x
  3. Step 3: Cross multiply
    5,103.95x = 7,044.57 × 3,216.65
  4. Step 4: Simplify right side
    5,103.95x = 22,659,880.87
  5. Step 5: Solve for x
    x = 22,659,880.87/5,103.95
  6. Step 6: Final answer
    x = 4,439.68

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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.