Home / 5,012.85-6,917.52-2,774.70

Finding the Fourth Proportional to 5,012.85, 6,917.52 and 2,774.70

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Solution

The fourth proportional to 5,012.85, 6,917.52 and 2,774.70 is: 3,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.85 : 6,917.52 = 2,774.70 : x
  2. Step 2: Convert to fraction form
    5,012.85/6,917.52 = 2,774.70/x
  3. Step 3: Cross multiply
    5,012.85x = 6,917.52 × 2,774.70
  4. Step 4: Simplify right side
    5,012.85x = 19,194,042.74
  5. Step 5: Solve for x
    x = 19,194,042.74/5,012.85
  6. Step 6: Final answer
    x = 3,828.97

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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.