Home / 5,301.78-7,316.40-3,063.60

Finding the Fourth Proportional to 5,301.78, 7,316.40 and 3,063.60

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Solution

The fourth proportional to 5,301.78, 7,316.40 and 3,063.60 is: 4,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.78 : 7,316.40 = 3,063.60 : x
  2. Step 2: Convert to fraction form
    5,301.78/7,316.40 = 3,063.60/x
  3. Step 3: Cross multiply
    5,301.78x = 7,316.40 × 3,063.60
  4. Step 4: Simplify right side
    5,301.78x = 22,414,523.04
  5. Step 5: Solve for x
    x = 22,414,523.04/5,301.78
  6. Step 6: Final answer
    x = 4,227.74

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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.