Home / 1,616.63-2,229.26-1,057.59

Finding the Fourth Proportional to 1,616.63, 2,229.26 and 1,057.59

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Solution

The fourth proportional to 1,616.63, 2,229.26 and 1,057.59 is: 1,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.63 : 2,229.26 = 1,057.59 : x
  2. Step 2: Convert to fraction form
    1,616.63/2,229.26 = 1,057.59/x
  3. Step 3: Cross multiply
    1,616.63x = 2,229.26 × 1,057.59
  4. Step 4: Simplify right side
    1,616.63x = 2,357,637.80
  5. Step 5: Solve for x
    x = 2,357,637.80/1,616.63
  6. Step 6: Final answer
    x = 1,458.37

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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.