Home / 4,868.37-6,717.87-2,980.49

Finding the Fourth Proportional to 4,868.37, 6,717.87 and 2,980.49

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Solution

The fourth proportional to 4,868.37, 6,717.87 and 2,980.49 is: 4,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.37 : 6,717.87 = 2,980.49 : x
  2. Step 2: Convert to fraction form
    4,868.37/6,717.87 = 2,980.49/x
  3. Step 3: Cross multiply
    4,868.37x = 6,717.87 × 2,980.49
  4. Step 4: Simplify right side
    4,868.37x = 20,022,510.77
  5. Step 5: Solve for x
    x = 20,022,510.77/4,868.37
  6. Step 6: Final answer
    x = 4,112.78

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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.