Home / 5,216.28-7,196.66-2,976.52

Finding the Fourth Proportional to 5,216.28, 7,196.66 and 2,976.52

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Solution

The fourth proportional to 5,216.28, 7,196.66 and 2,976.52 is: 4,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.28 : 7,196.66 = 2,976.52 : x
  2. Step 2: Convert to fraction form
    5,216.28/7,196.66 = 2,976.52/x
  3. Step 3: Cross multiply
    5,216.28x = 7,196.66 × 2,976.52
  4. Step 4: Simplify right side
    5,216.28x = 21,421,002.42
  5. Step 5: Solve for x
    x = 21,421,002.42/5,216.28
  6. Step 6: Final answer
    x = 4,106.57

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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.