Home / 3,117.97-4,676.46-1,039.42

Finding the Fourth Proportional to 3,117.97, 4,676.46 and 1,039.42

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Solution

The fourth proportional to 3,117.97, 4,676.46 and 1,039.42 is: 1,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.97 : 4,676.46 = 1,039.42 : x
  2. Step 2: Convert to fraction form
    3,117.97/4,676.46 = 1,039.42/x
  3. Step 3: Cross multiply
    3,117.97x = 4,676.46 × 1,039.42
  4. Step 4: Simplify right side
    3,117.97x = 4,860,806.05
  5. Step 5: Solve for x
    x = 4,860,806.05/3,117.97
  6. Step 6: Final answer
    x = 1,558.96

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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.