Home / 1,816.24-2,725.41-983.92

Finding the Fourth Proportional to 1,816.24, 2,725.41 and 983.92

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Solution

The fourth proportional to 1,816.24, 2,725.41 and 983.92 is: 1,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.24 : 2,725.41 = 983.92 : x
  2. Step 2: Convert to fraction form
    1,816.24/2,725.41 = 983.92/x
  3. Step 3: Cross multiply
    1,816.24x = 2,725.41 × 983.92
  4. Step 4: Simplify right side
    1,816.24x = 2,681,585.41
  5. Step 5: Solve for x
    x = 2,681,585.41/1,816.24
  6. Step 6: Final answer
    x = 1,476.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.