Home / 2,133.57-2,944.44-1,249.32

Finding the Fourth Proportional to 2,133.57, 2,944.44 and 1,249.32

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Solution

The fourth proportional to 2,133.57, 2,944.44 and 1,249.32 is: 1,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.57 : 2,944.44 = 1,249.32 : x
  2. Step 2: Convert to fraction form
    2,133.57/2,944.44 = 1,249.32/x
  3. Step 3: Cross multiply
    2,133.57x = 2,944.44 × 1,249.32
  4. Step 4: Simplify right side
    2,133.57x = 3,678,547.78
  5. Step 5: Solve for x
    x = 3,678,547.78/2,133.57
  6. Step 6: Final answer
    x = 1,724.13

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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.