Home / 2,976.02-4,103.84-2,908.26

Finding the Fourth Proportional to 2,976.02, 4,103.84 and 2,908.26

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Solution

The fourth proportional to 2,976.02, 4,103.84 and 2,908.26 is: 4,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.02 : 4,103.84 = 2,908.26 : x
  2. Step 2: Convert to fraction form
    2,976.02/4,103.84 = 2,908.26/x
  3. Step 3: Cross multiply
    2,976.02x = 4,103.84 × 2,908.26
  4. Step 4: Simplify right side
    2,976.02x = 11,935,033.72
  5. Step 5: Solve for x
    x = 11,935,033.72/2,976.02
  6. Step 6: Final answer
    x = 4,010.40

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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.