Home / 2,009.24-2,772.80-1,125.02

Finding the Fourth Proportional to 2,009.24, 2,772.80 and 1,125.02

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Solution

The fourth proportional to 2,009.24, 2,772.80 and 1,125.02 is: 1,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.24 : 2,772.80 = 1,125.02 : x
  2. Step 2: Convert to fraction form
    2,009.24/2,772.80 = 1,125.02/x
  3. Step 3: Cross multiply
    2,009.24x = 2,772.80 × 1,125.02
  4. Step 4: Simplify right side
    2,009.24x = 3,119,435.97
  5. Step 5: Solve for x
    x = 3,119,435.97/2,009.24
  6. Step 6: Final answer
    x = 1,552.55

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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.