Home / 1,745.18-2,408.07-1,116.27

Finding the Fourth Proportional to 1,745.18, 2,408.07 and 1,116.27

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Solution

The fourth proportional to 1,745.18, 2,408.07 and 1,116.27 is: 1,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.18 : 2,408.07 = 1,116.27 : x
  2. Step 2: Convert to fraction form
    1,745.18/2,408.07 = 1,116.27/x
  3. Step 3: Cross multiply
    1,745.18x = 2,408.07 × 1,116.27
  4. Step 4: Simplify right side
    1,745.18x = 2,688,056.30
  5. Step 5: Solve for x
    x = 2,688,056.30/1,745.18
  6. Step 6: Final answer
    x = 1,540.28

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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.