Home / 7,723.75-10,658.77-4,186.96

Finding the Fourth Proportional to 7,723.75, 10,658.77 and 4,186.96

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Solution

The fourth proportional to 7,723.75, 10,658.77 and 4,186.96 is: 5,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.75 : 10,658.77 = 4,186.96 : x
  2. Step 2: Convert to fraction form
    7,723.75/10,658.77 = 4,186.96/x
  3. Step 3: Cross multiply
    7,723.75x = 10,658.77 × 4,186.96
  4. Step 4: Simplify right side
    7,723.75x = 44,627,806.52
  5. Step 5: Solve for x
    x = 44,627,806.52/7,723.75
  6. Step 6: Final answer
    x = 5,778.00

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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.