Home / 7,738.79-10,679.33-4,381.93

Finding the Fourth Proportional to 7,738.79, 10,679.33 and 4,381.93

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Solution

The fourth proportional to 7,738.79, 10,679.33 and 4,381.93 is: 6,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.79 : 10,679.33 = 4,381.93 : x
  2. Step 2: Convert to fraction form
    7,738.79/10,679.33 = 4,381.93/x
  3. Step 3: Cross multiply
    7,738.79x = 10,679.33 × 4,381.93
  4. Step 4: Simplify right side
    7,738.79x = 46,796,049.60
  5. Step 5: Solve for x
    x = 46,796,049.60/7,738.79
  6. Step 6: Final answer
    x = 6,046.94

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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.