Home / 7,342.75-11,012.73-2,077.72

Finding the Fourth Proportional to 7,342.75, 11,012.73 and 2,077.72

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Solution

The fourth proportional to 7,342.75, 11,012.73 and 2,077.72 is: 3,116.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.75 : 11,012.73 = 2,077.72 : x
  2. Step 2: Convert to fraction form
    7,342.75/11,012.73 = 2,077.72/x
  3. Step 3: Cross multiply
    7,342.75x = 11,012.73 × 2,077.72
  4. Step 4: Simplify right side
    7,342.75x = 22,881,341.84
  5. Step 5: Solve for x
    x = 22,881,341.84/7,342.75
  6. Step 6: Final answer
    x = 3,116.18

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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.