Home / 1,849.93-2,552.90-1,261.49

Finding the Fourth Proportional to 1,849.93, 2,552.90 and 1,261.49

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Solution

The fourth proportional to 1,849.93, 2,552.90 and 1,261.49 is: 1,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.93 : 2,552.90 = 1,261.49 : x
  2. Step 2: Convert to fraction form
    1,849.93/2,552.90 = 1,261.49/x
  3. Step 3: Cross multiply
    1,849.93x = 2,552.90 × 1,261.49
  4. Step 4: Simplify right side
    1,849.93x = 3,220,438.75
  5. Step 5: Solve for x
    x = 3,220,438.75/1,849.93
  6. Step 6: Final answer
    x = 1,740.85

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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.