Home / 5,910.84-8,871.78-2,991.24

Finding the Fourth Proportional to 5,910.84, 8,871.78 and 2,991.24

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Solution

The fourth proportional to 5,910.84, 8,871.78 and 2,991.24 is: 4,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.84 : 8,871.78 = 2,991.24 : x
  2. Step 2: Convert to fraction form
    5,910.84/8,871.78 = 2,991.24/x
  3. Step 3: Cross multiply
    5,910.84x = 8,871.78 × 2,991.24
  4. Step 4: Simplify right side
    5,910.84x = 26,537,623.21
  5. Step 5: Solve for x
    x = 26,537,623.21/5,910.84
  6. Step 6: Final answer
    x = 4,489.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.