Home / 4,848.20-7,272.30-4,119.20

Finding the Fourth Proportional to 4,848.20, 7,272.30 and 4,119.20

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Solution

The fourth proportional to 4,848.20, 7,272.30 and 4,119.20 is: 6,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.20 : 7,272.30 = 4,119.20 : x
  2. Step 2: Convert to fraction form
    4,848.20/7,272.30 = 4,119.20/x
  3. Step 3: Cross multiply
    4,848.20x = 7,272.30 × 4,119.20
  4. Step 4: Simplify right side
    4,848.20x = 29,956,058.16
  5. Step 5: Solve for x
    x = 29,956,058.16/4,848.20
  6. Step 6: Final answer
    x = 6,178.80

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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.