Home / 1,745.10-2,408.23-948.42

Finding the Fourth Proportional to 1,745.10, 2,408.23 and 948.42

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Solution

The fourth proportional to 1,745.10, 2,408.23 and 948.42 is: 1,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.10 : 2,408.23 = 948.42 : x
  2. Step 2: Convert to fraction form
    1,745.10/2,408.23 = 948.42/x
  3. Step 3: Cross multiply
    1,745.10x = 2,408.23 × 948.42
  4. Step 4: Simplify right side
    1,745.10x = 2,284,013.50
  5. Step 5: Solve for x
    x = 2,284,013.50/1,745.10
  6. Step 6: Final answer
    x = 1,308.82

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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.