Home / 5,436.81-7,502.68-3,168.01

Finding the Fourth Proportional to 5,436.81, 7,502.68 and 3,168.01

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Solution

The fourth proportional to 5,436.81, 7,502.68 and 3,168.01 is: 4,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.81 : 7,502.68 = 3,168.01 : x
  2. Step 2: Convert to fraction form
    5,436.81/7,502.68 = 3,168.01/x
  3. Step 3: Cross multiply
    5,436.81x = 7,502.68 × 3,168.01
  4. Step 4: Simplify right side
    5,436.81x = 23,768,566.73
  5. Step 5: Solve for x
    x = 23,768,566.73/5,436.81
  6. Step 6: Final answer
    x = 4,371.78

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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.