Home / 5,266.96-7,268.88-2,909.56

Finding the Fourth Proportional to 5,266.96, 7,268.88 and 2,909.56

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Solution

The fourth proportional to 5,266.96, 7,268.88 and 2,909.56 is: 4,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.96 : 7,268.88 = 2,909.56 : x
  2. Step 2: Convert to fraction form
    5,266.96/7,268.88 = 2,909.56/x
  3. Step 3: Cross multiply
    5,266.96x = 7,268.88 × 2,909.56
  4. Step 4: Simplify right side
    5,266.96x = 21,149,242.49
  5. Step 5: Solve for x
    x = 21,149,242.49/5,266.96
  6. Step 6: Final answer
    x = 4,015.46

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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.