Home / 3,231.13-4,848.72-1,499.80

Finding the Fourth Proportional to 3,231.13, 4,848.72 and 1,499.80

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Solution

The fourth proportional to 3,231.13, 4,848.72 and 1,499.80 is: 2,250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.13 : 4,848.72 = 1,499.80 : x
  2. Step 2: Convert to fraction form
    3,231.13/4,848.72 = 1,499.80/x
  3. Step 3: Cross multiply
    3,231.13x = 4,848.72 × 1,499.80
  4. Step 4: Simplify right side
    3,231.13x = 7,272,110.26
  5. Step 5: Solve for x
    x = 7,272,110.26/3,231.13
  6. Step 6: Final answer
    x = 2,250.64

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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.