Home / 4,115.40-6,173.70-1,341.39

Finding the Fourth Proportional to 4,115.40, 6,173.70 and 1,341.39

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Solution

The fourth proportional to 4,115.40, 6,173.70 and 1,341.39 is: 2,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.40 : 6,173.70 = 1,341.39 : x
  2. Step 2: Convert to fraction form
    4,115.40/6,173.70 = 1,341.39/x
  3. Step 3: Cross multiply
    4,115.40x = 6,173.70 × 1,341.39
  4. Step 4: Simplify right side
    4,115.40x = 8,281,339.44
  5. Step 5: Solve for x
    x = 8,281,339.44/4,115.40
  6. Step 6: Final answer
    x = 2,012.28

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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.