Home / 5,248.60-7,877.72-2,653.36

Finding the Fourth Proportional to 5,248.60, 7,877.72 and 2,653.36

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Solution

The fourth proportional to 5,248.60, 7,877.72 and 2,653.36 is: 3,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.60 : 7,877.72 = 2,653.36 : x
  2. Step 2: Convert to fraction form
    5,248.60/7,877.72 = 2,653.36/x
  3. Step 3: Cross multiply
    5,248.60x = 7,877.72 × 2,653.36
  4. Step 4: Simplify right side
    5,248.60x = 20,902,427.14
  5. Step 5: Solve for x
    x = 20,902,427.14/5,248.60
  6. Step 6: Final answer
    x = 3,982.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.