Home / 4,019.84-5,548.48-2,447.92

Finding the Fourth Proportional to 4,019.84, 5,548.48 and 2,447.92

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Solution

The fourth proportional to 4,019.84, 5,548.48 and 2,447.92 is: 3,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.84 : 5,548.48 = 2,447.92 : x
  2. Step 2: Convert to fraction form
    4,019.84/5,548.48 = 2,447.92/x
  3. Step 3: Cross multiply
    4,019.84x = 5,548.48 × 2,447.92
  4. Step 4: Simplify right side
    4,019.84x = 13,582,235.16
  5. Step 5: Solve for x
    x = 13,582,235.16/4,019.84
  6. Step 6: Final answer
    x = 3,378.80

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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.