Home / 5,615.92-7,751.64-3,626.44

Finding the Fourth Proportional to 5,615.92, 7,751.64 and 3,626.44

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Solution

The fourth proportional to 5,615.92, 7,751.64 and 3,626.44 is: 5,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.92 : 7,751.64 = 3,626.44 : x
  2. Step 2: Convert to fraction form
    5,615.92/7,751.64 = 3,626.44/x
  3. Step 3: Cross multiply
    5,615.92x = 7,751.64 × 3,626.44
  4. Step 4: Simplify right side
    5,615.92x = 28,110,857.36
  5. Step 5: Solve for x
    x = 28,110,857.36/5,615.92
  6. Step 6: Final answer
    x = 5,005.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.