Home / 5,871.03-8,101.81-3,218.38

Finding the Fourth Proportional to 5,871.03, 8,101.81 and 3,218.38

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Solution

The fourth proportional to 5,871.03, 8,101.81 and 3,218.38 is: 4,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.03 : 8,101.81 = 3,218.38 : x
  2. Step 2: Convert to fraction form
    5,871.03/8,101.81 = 3,218.38/x
  3. Step 3: Cross multiply
    5,871.03x = 8,101.81 × 3,218.38
  4. Step 4: Simplify right side
    5,871.03x = 26,074,728.08
  5. Step 5: Solve for x
    x = 26,074,728.08/5,871.03
  6. Step 6: Final answer
    x = 4,441.25

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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.