Home / 2,009.36-2,772.43-1,125.02

Finding the Fourth Proportional to 2,009.36, 2,772.43 and 1,125.02

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Solution

The fourth proportional to 2,009.36, 2,772.43 and 1,125.02 is: 1,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.36 : 2,772.43 = 1,125.02 : x
  2. Step 2: Convert to fraction form
    2,009.36/2,772.43 = 1,125.02/x
  3. Step 3: Cross multiply
    2,009.36x = 2,772.43 × 1,125.02
  4. Step 4: Simplify right side
    2,009.36x = 3,119,022.52
  5. Step 5: Solve for x
    x = 3,119,022.52/2,009.36
  6. Step 6: Final answer
    x = 1,552.25

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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.