Home / 3,024.09-4,172.17-1,976.76

Finding the Fourth Proportional to 3,024.09, 4,172.17 and 1,976.76

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Solution

The fourth proportional to 3,024.09, 4,172.17 and 1,976.76 is: 2,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,024.09 : 4,172.17 = 1,976.76 : x
  2. Step 2: Convert to fraction form
    3,024.09/4,172.17 = 1,976.76/x
  3. Step 3: Cross multiply
    3,024.09x = 4,172.17 × 1,976.76
  4. Step 4: Simplify right side
    3,024.09x = 8,247,378.77
  5. Step 5: Solve for x
    x = 8,247,378.77/3,024.09
  6. Step 6: Final answer
    x = 2,727.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.