Home / 5,406.12-7,460.49-3,168.06

Finding the Fourth Proportional to 5,406.12, 7,460.49 and 3,168.06

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Solution

The fourth proportional to 5,406.12, 7,460.49 and 3,168.06 is: 4,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.12 : 7,460.49 = 3,168.06 : x
  2. Step 2: Convert to fraction form
    5,406.12/7,460.49 = 3,168.06/x
  3. Step 3: Cross multiply
    5,406.12x = 7,460.49 × 3,168.06
  4. Step 4: Simplify right side
    5,406.12x = 23,635,279.95
  5. Step 5: Solve for x
    x = 23,635,279.95/5,406.12
  6. Step 6: Final answer
    x = 4,371.95

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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.