Home / 2,900.20-4,351.17-1,052.18

Finding the Fourth Proportional to 2,900.20, 4,351.17 and 1,052.18

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Solution

The fourth proportional to 2,900.20, 4,351.17 and 1,052.18 is: 1,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.20 : 4,351.17 = 1,052.18 : x
  2. Step 2: Convert to fraction form
    2,900.20/4,351.17 = 1,052.18/x
  3. Step 3: Cross multiply
    2,900.20x = 4,351.17 × 1,052.18
  4. Step 4: Simplify right side
    2,900.20x = 4,578,214.05
  5. Step 5: Solve for x
    x = 4,578,214.05/2,900.20
  6. Step 6: Final answer
    x = 1,578.59

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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.