Home / 5,268.78-7,274.34-3,381.08

Finding the Fourth Proportional to 5,268.78, 7,274.34 and 3,381.08

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Solution

The fourth proportional to 5,268.78, 7,274.34 and 3,381.08 is: 4,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.78 : 7,274.34 = 3,381.08 : x
  2. Step 2: Convert to fraction form
    5,268.78/7,274.34 = 3,381.08/x
  3. Step 3: Cross multiply
    5,268.78x = 7,274.34 × 3,381.08
  4. Step 4: Simplify right side
    5,268.78x = 24,595,089.12
  5. Step 5: Solve for x
    x = 24,595,089.12/5,268.78
  6. Step 6: Final answer
    x = 4,668.08

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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.