Home / 4,121.10-6,181.65-3,746.70

Finding the Fourth Proportional to 4,121.10, 6,181.65 and 3,746.70

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Solution

The fourth proportional to 4,121.10, 6,181.65 and 3,746.70 is: 5,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.10 : 6,181.65 = 3,746.70 : x
  2. Step 2: Convert to fraction form
    4,121.10/6,181.65 = 3,746.70/x
  3. Step 3: Cross multiply
    4,121.10x = 6,181.65 × 3,746.70
  4. Step 4: Simplify right side
    4,121.10x = 23,160,788.06
  5. Step 5: Solve for x
    x = 23,160,788.06/4,121.10
  6. Step 6: Final answer
    x = 5,620.05

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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.