Home / 3,976.02-5,486.67-2,207.52

Finding the Fourth Proportional to 3,976.02, 5,486.67 and 2,207.52

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Solution

The fourth proportional to 3,976.02, 5,486.67 and 2,207.52 is: 3,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.02 : 5,486.67 = 2,207.52 : x
  2. Step 2: Convert to fraction form
    3,976.02/5,486.67 = 2,207.52/x
  3. Step 3: Cross multiply
    3,976.02x = 5,486.67 × 2,207.52
  4. Step 4: Simplify right side
    3,976.02x = 12,111,933.76
  5. Step 5: Solve for x
    x = 12,111,933.76/3,976.02
  6. Step 6: Final answer
    x = 3,046.25

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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.