Home / 5,057.46-6,979.14-3,170.06

Finding the Fourth Proportional to 5,057.46, 6,979.14 and 3,170.06

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Solution

The fourth proportional to 5,057.46, 6,979.14 and 3,170.06 is: 4,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.46 : 6,979.14 = 3,170.06 : x
  2. Step 2: Convert to fraction form
    5,057.46/6,979.14 = 3,170.06/x
  3. Step 3: Cross multiply
    5,057.46x = 6,979.14 × 3,170.06
  4. Step 4: Simplify right side
    5,057.46x = 22,124,283.82
  5. Step 5: Solve for x
    x = 22,124,283.82/5,057.46
  6. Step 6: Final answer
    x = 4,374.58

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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.