Home / 4,905.38-6,767.58-3,015.46

Finding the Fourth Proportional to 4,905.38, 6,767.58 and 3,015.46

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Solution

The fourth proportional to 4,905.38, 6,767.58 and 3,015.46 is: 4,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.38 : 6,767.58 = 3,015.46 : x
  2. Step 2: Convert to fraction form
    4,905.38/6,767.58 = 3,015.46/x
  3. Step 3: Cross multiply
    4,905.38x = 6,767.58 × 3,015.46
  4. Step 4: Simplify right side
    4,905.38x = 20,407,332.95
  5. Step 5: Solve for x
    x = 20,407,332.95/4,905.38
  6. Step 6: Final answer
    x = 4,160.19

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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.