Home / 2,455.62-3,386.52-1,616.02

Finding the Fourth Proportional to 2,455.62, 3,386.52 and 1,616.02

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Solution

The fourth proportional to 2,455.62, 3,386.52 and 1,616.02 is: 2,228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.62 : 3,386.52 = 1,616.02 : x
  2. Step 2: Convert to fraction form
    2,455.62/3,386.52 = 1,616.02/x
  3. Step 3: Cross multiply
    2,455.62x = 3,386.52 × 1,616.02
  4. Step 4: Simplify right side
    2,455.62x = 5,472,684.05
  5. Step 5: Solve for x
    x = 5,472,684.05/2,455.62
  6. Step 6: Final answer
    x = 2,228.64

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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.