Home / 5,715.96-7,885.85-3,476.99

Finding the Fourth Proportional to 5,715.96, 7,885.85 and 3,476.99

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Solution

The fourth proportional to 5,715.96, 7,885.85 and 3,476.99 is: 4,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.96 : 7,885.85 = 3,476.99 : x
  2. Step 2: Convert to fraction form
    5,715.96/7,885.85 = 3,476.99/x
  3. Step 3: Cross multiply
    5,715.96x = 7,885.85 × 3,476.99
  4. Step 4: Simplify right side
    5,715.96x = 27,418,964.78
  5. Step 5: Solve for x
    x = 27,418,964.78/5,715.96
  6. Step 6: Final answer
    x = 4,796.91

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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.