Home / 4,984.74-6,879.20-2,746.71

Finding the Fourth Proportional to 4,984.74, 6,879.20 and 2,746.71

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Solution

The fourth proportional to 4,984.74, 6,879.20 and 2,746.71 is: 3,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.74 : 6,879.20 = 2,746.71 : x
  2. Step 2: Convert to fraction form
    4,984.74/6,879.20 = 2,746.71/x
  3. Step 3: Cross multiply
    4,984.74x = 6,879.20 × 2,746.71
  4. Step 4: Simplify right side
    4,984.74x = 18,895,153.70
  5. Step 5: Solve for x
    x = 18,895,153.70/4,984.74
  6. Step 6: Final answer
    x = 3,790.60

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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.