Home / 4,820.85-7,231.82-1,532.79

Finding the Fourth Proportional to 4,820.85, 7,231.82 and 1,532.79

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Solution

The fourth proportional to 4,820.85, 7,231.82 and 1,532.79 is: 2,299.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.85 : 7,231.82 = 1,532.79 : x
  2. Step 2: Convert to fraction form
    4,820.85/7,231.82 = 1,532.79/x
  3. Step 3: Cross multiply
    4,820.85x = 7,231.82 × 1,532.79
  4. Step 4: Simplify right side
    4,820.85x = 11,084,853.71
  5. Step 5: Solve for x
    x = 11,084,853.71/4,820.85
  6. Step 6: Final answer
    x = 2,299.36

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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.