Home / 4,008.48-5,983.80-3,828.78

Finding the Fourth Proportional to 4,008.48, 5,983.80 and 3,828.78

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Solution

The fourth proportional to 4,008.48, 5,983.80 and 3,828.78 is: 5,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.48 : 5,983.80 = 3,828.78 : x
  2. Step 2: Convert to fraction form
    4,008.48/5,983.80 = 3,828.78/x
  3. Step 3: Cross multiply
    4,008.48x = 5,983.80 × 3,828.78
  4. Step 4: Simplify right side
    4,008.48x = 22,910,653.76
  5. Step 5: Solve for x
    x = 22,910,653.76/4,008.48
  6. Step 6: Final answer
    x = 5,715.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.