Home / 5,623.24-7,766.94-3,860.68

Finding the Fourth Proportional to 5,623.24, 7,766.94 and 3,860.68

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Solution

The fourth proportional to 5,623.24, 7,766.94 and 3,860.68 is: 5,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.24 : 7,766.94 = 3,860.68 : x
  2. Step 2: Convert to fraction form
    5,623.24/7,766.94 = 3,860.68/x
  3. Step 3: Cross multiply
    5,623.24x = 7,766.94 × 3,860.68
  4. Step 4: Simplify right side
    5,623.24x = 29,985,669.92
  5. Step 5: Solve for x
    x = 29,985,669.92/5,623.24
  6. Step 6: Final answer
    x = 5,332.45

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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.