Home / 3,746.94-5,622.58-1,408.56

Finding the Fourth Proportional to 3,746.94, 5,622.58 and 1,408.56

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Solution

The fourth proportional to 3,746.94, 5,622.58 and 1,408.56 is: 2,113.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.94 : 5,622.58 = 1,408.56 : x
  2. Step 2: Convert to fraction form
    3,746.94/5,622.58 = 1,408.56/x
  3. Step 3: Cross multiply
    3,746.94x = 5,622.58 × 1,408.56
  4. Step 4: Simplify right side
    3,746.94x = 7,919,741.28
  5. Step 5: Solve for x
    x = 7,919,741.28/3,746.94
  6. Step 6: Final answer
    x = 2,113.66

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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.