Home / 4,905.19-6,766.42-3,015.46

Finding the Fourth Proportional to 4,905.19, 6,766.42 and 3,015.46

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Solution

The fourth proportional to 4,905.19, 6,766.42 and 3,015.46 is: 4,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.19 : 6,766.42 = 3,015.46 : x
  2. Step 2: Convert to fraction form
    4,905.19/6,766.42 = 3,015.46/x
  3. Step 3: Cross multiply
    4,905.19x = 6,766.42 × 3,015.46
  4. Step 4: Simplify right side
    4,905.19x = 20,403,868.85
  5. Step 5: Solve for x
    x = 20,403,868.85/4,905.19
  6. Step 6: Final answer
    x = 4,159.65

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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.