Home / 7,077.60-10,616.06-2,917.54

Finding the Fourth Proportional to 7,077.60, 10,616.06 and 2,917.54

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Solution

The fourth proportional to 7,077.60, 10,616.06 and 2,917.54 is: 4,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.60 : 10,616.06 = 2,917.54 : x
  2. Step 2: Convert to fraction form
    7,077.60/10,616.06 = 2,917.54/x
  3. Step 3: Cross multiply
    7,077.60x = 10,616.06 × 2,917.54
  4. Step 4: Simplify right side
    7,077.60x = 30,972,779.69
  5. Step 5: Solve for x
    x = 30,972,779.69/7,077.60
  6. Step 6: Final answer
    x = 4,376.17

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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.