Home / 5,267.12-7,268.24-2,909.07

Finding the Fourth Proportional to 5,267.12, 7,268.24 and 2,909.07

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Solution

The fourth proportional to 5,267.12, 7,268.24 and 2,909.07 is: 4,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.12 : 7,268.24 = 2,909.07 : x
  2. Step 2: Convert to fraction form
    5,267.12/7,268.24 = 2,909.07/x
  3. Step 3: Cross multiply
    5,267.12x = 7,268.24 × 2,909.07
  4. Step 4: Simplify right side
    5,267.12x = 21,143,804.39
  5. Step 5: Solve for x
    x = 21,143,804.39/5,267.12
  6. Step 6: Final answer
    x = 4,014.30

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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.