Home / 4,028-5,557.02-2,455.52

Finding the Fourth Proportional to 4,028, 5,557.02 and 2,455.52

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Solution

The fourth proportional to 4,028, 5,557.02 and 2,455.52 is: 3,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028 : 5,557.02 = 2,455.52 : x
  2. Step 2: Convert to fraction form
    4,028/5,557.02 = 2,455.52/x
  3. Step 3: Cross multiply
    4,028x = 5,557.02 × 2,455.52
  4. Step 4: Simplify right side
    4,028x = 13,645,373.75
  5. Step 5: Solve for x
    x = 13,645,373.75/4,028
  6. Step 6: Final answer
    x = 3,387.63

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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.