Home / 7,551.95-11,319.71-3,164.31

Finding the Fourth Proportional to 7,551.95, 11,319.71 and 3,164.31

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Solution

The fourth proportional to 7,551.95, 11,319.71 and 3,164.31 is: 4,743.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.95 : 11,319.71 = 3,164.31 : x
  2. Step 2: Convert to fraction form
    7,551.95/11,319.71 = 3,164.31/x
  3. Step 3: Cross multiply
    7,551.95x = 11,319.71 × 3,164.31
  4. Step 4: Simplify right side
    7,551.95x = 35,819,055.73
  5. Step 5: Solve for x
    x = 35,819,055.73/7,551.95
  6. Step 6: Final answer
    x = 4,743.02

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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.