Home / 7,159.70-10,743.74-2,999.36

Finding the Fourth Proportional to 7,159.70, 10,743.74 and 2,999.36

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Solution

The fourth proportional to 7,159.70, 10,743.74 and 2,999.36 is: 4,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.70 : 10,743.74 = 2,999.36 : x
  2. Step 2: Convert to fraction form
    7,159.70/10,743.74 = 2,999.36/x
  3. Step 3: Cross multiply
    7,159.70x = 10,743.74 × 2,999.36
  4. Step 4: Simplify right side
    7,159.70x = 32,224,275.29
  5. Step 5: Solve for x
    x = 32,224,275.29/7,159.70
  6. Step 6: Final answer
    x = 4,500.79

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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.