Home / 2,353.16-3,247.01-1,408.73

Finding the Fourth Proportional to 2,353.16, 3,247.01 and 1,408.73

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Solution

The fourth proportional to 2,353.16, 3,247.01 and 1,408.73 is: 1,943.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.16 : 3,247.01 = 1,408.73 : x
  2. Step 2: Convert to fraction form
    2,353.16/3,247.01 = 1,408.73/x
  3. Step 3: Cross multiply
    2,353.16x = 3,247.01 × 1,408.73
  4. Step 4: Simplify right side
    2,353.16x = 4,574,137.12
  5. Step 5: Solve for x
    x = 4,574,137.12/2,353.16
  6. Step 6: Final answer
    x = 1,943.83

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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.