Home / 5,657.30-8,478.26-4,269.48

Finding the Fourth Proportional to 5,657.30, 8,478.26 and 4,269.48

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Solution

The fourth proportional to 5,657.30, 8,478.26 and 4,269.48 is: 6,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.30 : 8,478.26 = 4,269.48 : x
  2. Step 2: Convert to fraction form
    5,657.30/8,478.26 = 4,269.48/x
  3. Step 3: Cross multiply
    5,657.30x = 8,478.26 × 4,269.48
  4. Step 4: Simplify right side
    5,657.30x = 36,197,756.17
  5. Step 5: Solve for x
    x = 36,197,756.17/5,657.30
  6. Step 6: Final answer
    x = 6,398.41

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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.