Home / 1,849.75-2,553.22-1,064.32

Finding the Fourth Proportional to 1,849.75, 2,553.22 and 1,064.32

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Solution

The fourth proportional to 1,849.75, 2,553.22 and 1,064.32 is: 1,469.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.75 : 2,553.22 = 1,064.32 : x
  2. Step 2: Convert to fraction form
    1,849.75/2,553.22 = 1,064.32/x
  3. Step 3: Cross multiply
    1,849.75x = 2,553.22 × 1,064.32
  4. Step 4: Simplify right side
    1,849.75x = 2,717,438.06
  5. Step 5: Solve for x
    x = 2,717,438.06/1,849.75
  6. Step 6: Final answer
    x = 1,469.09

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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.