Home / 5,549.12-7,657.98-3,190.84

Finding the Fourth Proportional to 5,549.12, 7,657.98 and 3,190.84

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Solution

The fourth proportional to 5,549.12, 7,657.98 and 3,190.84 is: 4,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.12 : 7,657.98 = 3,190.84 : x
  2. Step 2: Convert to fraction form
    5,549.12/7,657.98 = 3,190.84/x
  3. Step 3: Cross multiply
    5,549.12x = 7,657.98 × 3,190.84
  4. Step 4: Simplify right side
    5,549.12x = 24,435,388.90
  5. Step 5: Solve for x
    x = 24,435,388.90/5,549.12
  6. Step 6: Final answer
    x = 4,403.47

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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.