Home / 7,731.84-10,669.94-4,195.04

Finding the Fourth Proportional to 7,731.84, 10,669.94 and 4,195.04

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Solution

The fourth proportional to 7,731.84, 10,669.94 and 4,195.04 is: 5,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.84 : 10,669.94 = 4,195.04 : x
  2. Step 2: Convert to fraction form
    7,731.84/10,669.94 = 4,195.04/x
  3. Step 3: Cross multiply
    7,731.84x = 10,669.94 × 4,195.04
  4. Step 4: Simplify right side
    7,731.84x = 44,760,825.10
  5. Step 5: Solve for x
    x = 44,760,825.10/7,731.84
  6. Step 6: Final answer
    x = 5,789.16

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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.