Home / 3,087.78-4,263-2,423.04

Finding the Fourth Proportional to 3,087.78, 4,263 and 2,423.04

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Solution

The fourth proportional to 3,087.78, 4,263 and 2,423.04 is: 3,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.78 : 4,263 = 2,423.04 : x
  2. Step 2: Convert to fraction form
    3,087.78/4,263 = 2,423.04/x
  3. Step 3: Cross multiply
    3,087.78x = 4,263 × 2,423.04
  4. Step 4: Simplify right side
    3,087.78x = 10,329,419.52
  5. Step 5: Solve for x
    x = 10,329,419.52/3,087.78
  6. Step 6: Final answer
    x = 3,345.26

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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.