Home / 1,745.97-2,408.70-1,047.34

Finding the Fourth Proportional to 1,745.97, 2,408.70 and 1,047.34

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Solution

The fourth proportional to 1,745.97, 2,408.70 and 1,047.34 is: 1,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.97 : 2,408.70 = 1,047.34 : x
  2. Step 2: Convert to fraction form
    1,745.97/2,408.70 = 1,047.34/x
  3. Step 3: Cross multiply
    1,745.97x = 2,408.70 × 1,047.34
  4. Step 4: Simplify right side
    1,745.97x = 2,522,727.86
  5. Step 5: Solve for x
    x = 2,522,727.86/1,745.97
  6. Step 6: Final answer
    x = 1,444.89

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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.