Home / 1,616.07-2,228.96-1,119.54

Finding the Fourth Proportional to 1,616.07, 2,228.96 and 1,119.54

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Solution

The fourth proportional to 1,616.07, 2,228.96 and 1,119.54 is: 1,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.07 : 2,228.96 = 1,119.54 : x
  2. Step 2: Convert to fraction form
    1,616.07/2,228.96 = 1,119.54/x
  3. Step 3: Cross multiply
    1,616.07x = 2,228.96 × 1,119.54
  4. Step 4: Simplify right side
    1,616.07x = 2,495,404.28
  5. Step 5: Solve for x
    x = 2,495,404.28/1,616.07
  6. Step 6: Final answer
    x = 1,544.12

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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.