Home / 7,751.50-11,619.47-3,068.96

Finding the Fourth Proportional to 7,751.50, 11,619.47 and 3,068.96

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Solution

The fourth proportional to 7,751.50, 11,619.47 and 3,068.96 is: 4,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.50 : 11,619.47 = 3,068.96 : x
  2. Step 2: Convert to fraction form
    7,751.50/11,619.47 = 3,068.96/x
  3. Step 3: Cross multiply
    7,751.50x = 11,619.47 × 3,068.96
  4. Step 4: Simplify right side
    7,751.50x = 35,659,638.23
  5. Step 5: Solve for x
    x = 35,659,638.23/7,751.50
  6. Step 6: Final answer
    x = 4,600.35

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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.