Home / 4,009.12-6,013.68-1,699.12

Finding the Fourth Proportional to 4,009.12, 6,013.68 and 1,699.12

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Solution

The fourth proportional to 4,009.12, 6,013.68 and 1,699.12 is: 2,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.12 : 6,013.68 = 1,699.12 : x
  2. Step 2: Convert to fraction form
    4,009.12/6,013.68 = 1,699.12/x
  3. Step 3: Cross multiply
    4,009.12x = 6,013.68 × 1,699.12
  4. Step 4: Simplify right side
    4,009.12x = 10,217,963.96
  5. Step 5: Solve for x
    x = 10,217,963.96/4,009.12
  6. Step 6: Final answer
    x = 2,548.68

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Similar ratio
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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.