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Finding the Fourth Proportional to 4,259, 5,877.42 and 2,603

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Solution

The fourth proportional to 4,259, 5,877.42 and 2,603 is: 3,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259 : 5,877.42 = 2,603 : x
  2. Step 2: Convert to fraction form
    4,259/5,877.42 = 2,603/x
  3. Step 3: Cross multiply
    4,259x = 5,877.42 × 2,603
  4. Step 4: Simplify right side
    4,259x = 15,298,924.26
  5. Step 5: Solve for x
    x = 15,298,924.26/4,259
  6. Step 6: Final answer
    x = 3,592.14

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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.