Home / 4,874.05-7,298.70-2,680.30

Finding the Fourth Proportional to 4,874.05, 7,298.70 and 2,680.30

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Solution

The fourth proportional to 4,874.05, 7,298.70 and 2,680.30 is: 4,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.05 : 7,298.70 = 2,680.30 : x
  2. Step 2: Convert to fraction form
    4,874.05/7,298.70 = 2,680.30/x
  3. Step 3: Cross multiply
    4,874.05x = 7,298.70 × 2,680.30
  4. Step 4: Simplify right side
    4,874.05x = 19,562,705.61
  5. Step 5: Solve for x
    x = 19,562,705.61/4,874.05
  6. Step 6: Final answer
    x = 4,013.64

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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.