Home / 3,011.02-4,153.89-2,311.18

Finding the Fourth Proportional to 3,011.02, 4,153.89 and 2,311.18

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Solution

The fourth proportional to 3,011.02, 4,153.89 and 2,311.18 is: 3,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.02 : 4,153.89 = 2,311.18 : x
  2. Step 2: Convert to fraction form
    3,011.02/4,153.89 = 2,311.18/x
  3. Step 3: Cross multiply
    3,011.02x = 4,153.89 × 2,311.18
  4. Step 4: Simplify right side
    3,011.02x = 9,600,387.49
  5. Step 5: Solve for x
    x = 9,600,387.49/3,011.02
  6. Step 6: Final answer
    x = 3,188.42

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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.