Home / 3,853.06-5,316.14-2,174.38

Finding the Fourth Proportional to 3,853.06, 5,316.14 and 2,174.38

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Solution

The fourth proportional to 3,853.06, 5,316.14 and 2,174.38 is: 3,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.06 : 5,316.14 = 2,174.38 : x
  2. Step 2: Convert to fraction form
    3,853.06/5,316.14 = 2,174.38/x
  3. Step 3: Cross multiply
    3,853.06x = 5,316.14 × 2,174.38
  4. Step 4: Simplify right side
    3,853.06x = 11,559,308.49
  5. Step 5: Solve for x
    x = 11,559,308.49/3,853.06
  6. Step 6: Final answer
    x = 3,000.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.