Home / 3,601.51-5,402.26-1,408.70

Finding the Fourth Proportional to 3,601.51, 5,402.26 and 1,408.70

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Solution

The fourth proportional to 3,601.51, 5,402.26 and 1,408.70 is: 2,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.51 : 5,402.26 = 1,408.70 : x
  2. Step 2: Convert to fraction form
    3,601.51/5,402.26 = 1,408.70/x
  3. Step 3: Cross multiply
    3,601.51x = 5,402.26 × 1,408.70
  4. Step 4: Simplify right side
    3,601.51x = 7,610,156.62
  5. Step 5: Solve for x
    x = 7,610,156.62/3,601.51
  6. Step 6: Final answer
    x = 2,113.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.