Home / 2,276.43-3,133.38-1,685.94

Finding the Fourth Proportional to 2,276.43, 3,133.38 and 1,685.94

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Solution

The fourth proportional to 2,276.43, 3,133.38 and 1,685.94 is: 2,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.43 : 3,133.38 = 1,685.94 : x
  2. Step 2: Convert to fraction form
    2,276.43/3,133.38 = 1,685.94/x
  3. Step 3: Cross multiply
    2,276.43x = 3,133.38 × 1,685.94
  4. Step 4: Simplify right side
    2,276.43x = 5,282,690.68
  5. Step 5: Solve for x
    x = 5,282,690.68/2,276.43
  6. Step 6: Final answer
    x = 2,320.60

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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.