Home / 2,053.81-2,834.26-1,122.31

Finding the Fourth Proportional to 2,053.81, 2,834.26 and 1,122.31

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Solution

The fourth proportional to 2,053.81, 2,834.26 and 1,122.31 is: 1,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.81 : 2,834.26 = 1,122.31 : x
  2. Step 2: Convert to fraction form
    2,053.81/2,834.26 = 1,122.31/x
  3. Step 3: Cross multiply
    2,053.81x = 2,834.26 × 1,122.31
  4. Step 4: Simplify right side
    2,053.81x = 3,180,919.08
  5. Step 5: Solve for x
    x = 3,180,919.08/2,053.81
  6. Step 6: Final answer
    x = 1,548.79

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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.