Home / 4,812.05-7,219.47-2,348.30

Finding the Fourth Proportional to 4,812.05, 7,219.47 and 2,348.30

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Solution

The fourth proportional to 4,812.05, 7,219.47 and 2,348.30 is: 3,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.05 : 7,219.47 = 2,348.30 : x
  2. Step 2: Convert to fraction form
    4,812.05/7,219.47 = 2,348.30/x
  3. Step 3: Cross multiply
    4,812.05x = 7,219.47 × 2,348.30
  4. Step 4: Simplify right side
    4,812.05x = 16,953,481.40
  5. Step 5: Solve for x
    x = 16,953,481.40/4,812.05
  6. Step 6: Final answer
    x = 3,523.13

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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.