Home / 3,051.73-4,208.52-2,170.45

Finding the Fourth Proportional to 3,051.73, 4,208.52 and 2,170.45

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Solution

The fourth proportional to 3,051.73, 4,208.52 and 2,170.45 is: 2,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.73 : 4,208.52 = 2,170.45 : x
  2. Step 2: Convert to fraction form
    3,051.73/4,208.52 = 2,170.45/x
  3. Step 3: Cross multiply
    3,051.73x = 4,208.52 × 2,170.45
  4. Step 4: Simplify right side
    3,051.73x = 9,134,382.23
  5. Step 5: Solve for x
    x = 9,134,382.23/3,051.73
  6. Step 6: Final answer
    x = 2,993.18

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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.