Home / 2,031.44-2,816.51-1,963.10

Finding the Fourth Proportional to 2,031.44, 2,816.51 and 1,963.10

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Solution

The fourth proportional to 2,031.44, 2,816.51 and 1,963.10 is: 2,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.44 : 2,816.51 = 1,963.10 : x
  2. Step 2: Convert to fraction form
    2,031.44/2,816.51 = 1,963.10/x
  3. Step 3: Cross multiply
    2,031.44x = 2,816.51 × 1,963.10
  4. Step 4: Simplify right side
    2,031.44x = 5,529,090.78
  5. Step 5: Solve for x
    x = 5,529,090.78/2,031.44
  6. Step 6: Final answer
    x = 2,721.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.