Home / 3,852.11-5,315.91-2,173.87

Finding the Fourth Proportional to 3,852.11, 5,315.91 and 2,173.87

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Solution

The fourth proportional to 3,852.11, 5,315.91 and 2,173.87 is: 2,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.11 : 5,315.91 = 2,173.87 : x
  2. Step 2: Convert to fraction form
    3,852.11/5,315.91 = 2,173.87/x
  3. Step 3: Cross multiply
    3,852.11x = 5,315.91 × 2,173.87
  4. Step 4: Simplify right side
    3,852.11x = 11,556,116.00
  5. Step 5: Solve for x
    x = 11,556,116.00/3,852.11
  6. Step 6: Final answer
    x = 2,999.94

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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.