Home / 4,920.28-6,790-2,682.16

Finding the Fourth Proportional to 4,920.28, 6,790 and 2,682.16

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Solution

The fourth proportional to 4,920.28, 6,790 and 2,682.16 is: 3,701.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.28 : 6,790 = 2,682.16 : x
  2. Step 2: Convert to fraction form
    4,920.28/6,790 = 2,682.16/x
  3. Step 3: Cross multiply
    4,920.28x = 6,790 × 2,682.16
  4. Step 4: Simplify right side
    4,920.28x = 18,211,866.40
  5. Step 5: Solve for x
    x = 18,211,866.40/4,920.28
  6. Step 6: Final answer
    x = 3,701.39

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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.