Home / 1,437.22-2,154.39-1,192.42

Finding the Fourth Proportional to 1,437.22, 2,154.39 and 1,192.42

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Solution

The fourth proportional to 1,437.22, 2,154.39 and 1,192.42 is: 1,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.22 : 2,154.39 = 1,192.42 : x
  2. Step 2: Convert to fraction form
    1,437.22/2,154.39 = 1,192.42/x
  3. Step 3: Cross multiply
    1,437.22x = 2,154.39 × 1,192.42
  4. Step 4: Simplify right side
    1,437.22x = 2,568,937.72
  5. Step 5: Solve for x
    x = 2,568,937.72/1,437.22
  6. Step 6: Final answer
    x = 1,787.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.