Home / 5,106.75-7,662.40-2,296.15

Finding the Fourth Proportional to 5,106.75, 7,662.40 and 2,296.15

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Solution

The fourth proportional to 5,106.75, 7,662.40 and 2,296.15 is: 3,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.75 : 7,662.40 = 2,296.15 : x
  2. Step 2: Convert to fraction form
    5,106.75/7,662.40 = 2,296.15/x
  3. Step 3: Cross multiply
    5,106.75x = 7,662.40 × 2,296.15
  4. Step 4: Simplify right side
    5,106.75x = 17,593,994.86
  5. Step 5: Solve for x
    x = 17,593,994.86/5,106.75
  6. Step 6: Final answer
    x = 3,445.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.