Home / 4,970.82-6,856.88-3,104.58

Finding the Fourth Proportional to 4,970.82, 6,856.88 and 3,104.58

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Solution

The fourth proportional to 4,970.82, 6,856.88 and 3,104.58 is: 4,282.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.82 : 6,856.88 = 3,104.58 : x
  2. Step 2: Convert to fraction form
    4,970.82/6,856.88 = 3,104.58/x
  3. Step 3: Cross multiply
    4,970.82x = 6,856.88 × 3,104.58
  4. Step 4: Simplify right side
    4,970.82x = 21,287,712.86
  5. Step 5: Solve for x
    x = 21,287,712.86/4,970.82
  6. Step 6: Final answer
    x = 4,282.54

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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.