Home / 3,003.48-4,133.70-2,631.42

Finding the Fourth Proportional to 3,003.48, 4,133.70 and 2,631.42

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Solution

The fourth proportional to 3,003.48, 4,133.70 and 2,631.42 is: 3,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.48 : 4,133.70 = 2,631.42 : x
  2. Step 2: Convert to fraction form
    3,003.48/4,133.70 = 2,631.42/x
  3. Step 3: Cross multiply
    3,003.48x = 4,133.70 × 2,631.42
  4. Step 4: Simplify right side
    3,003.48x = 10,877,500.85
  5. Step 5: Solve for x
    x = 10,877,500.85/3,003.48
  6. Step 6: Final answer
    x = 3,621.63

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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.