Home / 1,919.16-2,867.81-1,441.12

Finding the Fourth Proportional to 1,919.16, 2,867.81 and 1,441.12

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Solution

The fourth proportional to 1,919.16, 2,867.81 and 1,441.12 is: 2,153.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.16 : 2,867.81 = 1,441.12 : x
  2. Step 2: Convert to fraction form
    1,919.16/2,867.81 = 1,441.12/x
  3. Step 3: Cross multiply
    1,919.16x = 2,867.81 × 1,441.12
  4. Step 4: Simplify right side
    1,919.16x = 4,132,867.32
  5. Step 5: Solve for x
    x = 4,132,867.32/1,919.16
  6. Step 6: Final answer
    x = 2,153.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.