Home / 5,268.06-7,271.24-3,853.80

Finding the Fourth Proportional to 5,268.06, 7,271.24 and 3,853.80

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Solution

The fourth proportional to 5,268.06, 7,271.24 and 3,853.80 is: 5,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.06 : 7,271.24 = 3,853.80 : x
  2. Step 2: Convert to fraction form
    5,268.06/7,271.24 = 3,853.80/x
  3. Step 3: Cross multiply
    5,268.06x = 7,271.24 × 3,853.80
  4. Step 4: Simplify right side
    5,268.06x = 28,021,885.44
  5. Step 5: Solve for x
    x = 28,021,885.44/5,268.06
  6. Step 6: Final answer
    x = 5,319.20

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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.