Home / 1,533.12-2,116.16-1,067.52

Finding the Fourth Proportional to 1,533.12, 2,116.16 and 1,067.52

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Solution

The fourth proportional to 1,533.12, 2,116.16 and 1,067.52 is: 1,473.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.12 : 2,116.16 = 1,067.52 : x
  2. Step 2: Convert to fraction form
    1,533.12/2,116.16 = 1,067.52/x
  3. Step 3: Cross multiply
    1,533.12x = 2,116.16 × 1,067.52
  4. Step 4: Simplify right side
    1,533.12x = 2,259,043.12
  5. Step 5: Solve for x
    x = 2,259,043.12/1,533.12
  6. Step 6: Final answer
    x = 1,473.49

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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.