Home / 7,282.56-10,914.67-3,117.64

Finding the Fourth Proportional to 7,282.56, 10,914.67 and 3,117.64

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Solution

The fourth proportional to 7,282.56, 10,914.67 and 3,117.64 is: 4,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.56 : 10,914.67 = 3,117.64 : x
  2. Step 2: Convert to fraction form
    7,282.56/10,914.67 = 3,117.64/x
  3. Step 3: Cross multiply
    7,282.56x = 10,914.67 × 3,117.64
  4. Step 4: Simplify right side
    7,282.56x = 34,028,029.32
  5. Step 5: Solve for x
    x = 34,028,029.32/7,282.56
  6. Step 6: Final answer
    x = 4,672.54

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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.