Home / 3,331.28-4,999.08-1,484.48

Finding the Fourth Proportional to 3,331.28, 4,999.08 and 1,484.48

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Solution

The fourth proportional to 3,331.28, 4,999.08 and 1,484.48 is: 2,227.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.28 : 4,999.08 = 1,484.48 : x
  2. Step 2: Convert to fraction form
    3,331.28/4,999.08 = 1,484.48/x
  3. Step 3: Cross multiply
    3,331.28x = 4,999.08 × 1,484.48
  4. Step 4: Simplify right side
    3,331.28x = 7,421,034.28
  5. Step 5: Solve for x
    x = 7,421,034.28/3,331.28
  6. Step 6: Final answer
    x = 2,227.68

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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.