Home / 5,267.49-7,268.91-2,909.58

Finding the Fourth Proportional to 5,267.49, 7,268.91 and 2,909.58

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Solution

The fourth proportional to 5,267.49, 7,268.91 and 2,909.58 is: 4,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.49 : 7,268.91 = 2,909.58 : x
  2. Step 2: Convert to fraction form
    5,267.49/7,268.91 = 2,909.58/x
  3. Step 3: Cross multiply
    5,267.49x = 7,268.91 × 2,909.58
  4. Step 4: Simplify right side
    5,267.49x = 21,149,475.16
  5. Step 5: Solve for x
    x = 21,149,475.16/5,267.49
  6. Step 6: Final answer
    x = 4,015.10

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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.