Home / 5,267.10-7,268.75-2,909.19

Finding the Fourth Proportional to 5,267.10, 7,268.75 and 2,909.19

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Solution

The fourth proportional to 5,267.10, 7,268.75 and 2,909.19 is: 4,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.10 : 7,268.75 = 2,909.19 : x
  2. Step 2: Convert to fraction form
    5,267.10/7,268.75 = 2,909.19/x
  3. Step 3: Cross multiply
    5,267.10x = 7,268.75 × 2,909.19
  4. Step 4: Simplify right side
    5,267.10x = 21,146,174.81
  5. Step 5: Solve for x
    x = 21,146,174.81/5,267.10
  6. Step 6: Final answer
    x = 4,014.77

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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.