Home / 5,885.48-8,121.28-3,494.60

Finding the Fourth Proportional to 5,885.48, 8,121.28 and 3,494.60

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Solution

The fourth proportional to 5,885.48, 8,121.28 and 3,494.60 is: 4,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.48 : 8,121.28 = 3,494.60 : x
  2. Step 2: Convert to fraction form
    5,885.48/8,121.28 = 3,494.60/x
  3. Step 3: Cross multiply
    5,885.48x = 8,121.28 × 3,494.60
  4. Step 4: Simplify right side
    5,885.48x = 28,380,625.09
  5. Step 5: Solve for x
    x = 28,380,625.09/5,885.48
  6. Step 6: Final answer
    x = 4,822.14

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1.5x scale

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.