Home / 5,522.48-8,283.76-1,418.48

Finding the Fourth Proportional to 5,522.48, 8,283.76 and 1,418.48

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Solution

The fourth proportional to 5,522.48, 8,283.76 and 1,418.48 is: 2,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.48 : 8,283.76 = 1,418.48 : x
  2. Step 2: Convert to fraction form
    5,522.48/8,283.76 = 1,418.48/x
  3. Step 3: Cross multiply
    5,522.48x = 8,283.76 × 1,418.48
  4. Step 4: Simplify right side
    5,522.48x = 11,750,347.88
  5. Step 5: Solve for x
    x = 11,750,347.88/5,522.48
  6. Step 6: Final answer
    x = 2,127.73

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1.5x scale

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.