Home / 3,011.36-4,157.52-1,963.04

Finding the Fourth Proportional to 3,011.36, 4,157.52 and 1,963.04

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Solution

The fourth proportional to 3,011.36, 4,157.52 and 1,963.04 is: 2,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.36 : 4,157.52 = 1,963.04 : x
  2. Step 2: Convert to fraction form
    3,011.36/4,157.52 = 1,963.04/x
  3. Step 3: Cross multiply
    3,011.36x = 4,157.52 × 1,963.04
  4. Step 4: Simplify right side
    3,011.36x = 8,161,378.06
  5. Step 5: Solve for x
    x = 8,161,378.06/3,011.36
  6. Step 6: Final answer
    x = 2,710.20

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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.