Home / 3,265.78-4,502.36-2,216.02

Finding the Fourth Proportional to 3,265.78, 4,502.36 and 2,216.02

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Solution

The fourth proportional to 3,265.78, 4,502.36 and 2,216.02 is: 3,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.78 : 4,502.36 = 2,216.02 : x
  2. Step 2: Convert to fraction form
    3,265.78/4,502.36 = 2,216.02/x
  3. Step 3: Cross multiply
    3,265.78x = 4,502.36 × 2,216.02
  4. Step 4: Simplify right side
    3,265.78x = 9,977,319.81
  5. Step 5: Solve for x
    x = 9,977,319.81/3,265.78
  6. Step 6: Final answer
    x = 3,055.11

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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.