Home / 5,266.99-7,268.25-2,909.08

Finding the Fourth Proportional to 5,266.99, 7,268.25 and 2,909.08

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Solution

The fourth proportional to 5,266.99, 7,268.25 and 2,909.08 is: 4,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.99 : 7,268.25 = 2,909.08 : x
  2. Step 2: Convert to fraction form
    5,266.99/7,268.25 = 2,909.08/x
  3. Step 3: Cross multiply
    5,266.99x = 7,268.25 × 2,909.08
  4. Step 4: Simplify right side
    5,266.99x = 21,143,920.71
  5. Step 5: Solve for x
    x = 21,143,920.71/5,266.99
  6. Step 6: Final answer
    x = 4,014.42

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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.