Home / 4,868.70-6,718.39-2,743.57

Finding the Fourth Proportional to 4,868.70, 6,718.39 and 2,743.57

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Solution

The fourth proportional to 4,868.70, 6,718.39 and 2,743.57 is: 3,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.70 : 6,718.39 = 2,743.57 : x
  2. Step 2: Convert to fraction form
    4,868.70/6,718.39 = 2,743.57/x
  3. Step 3: Cross multiply
    4,868.70x = 6,718.39 × 2,743.57
  4. Step 4: Simplify right side
    4,868.70x = 18,432,373.25
  5. Step 5: Solve for x
    x = 18,432,373.25/4,868.70
  6. Step 6: Final answer
    x = 3,785.89

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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.