Home / 3,146.53-4,340.23-1,886.73

Finding the Fourth Proportional to 3,146.53, 4,340.23 and 1,886.73

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Solution

The fourth proportional to 3,146.53, 4,340.23 and 1,886.73 is: 2,602.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.53 : 4,340.23 = 1,886.73 : x
  2. Step 2: Convert to fraction form
    3,146.53/4,340.23 = 1,886.73/x
  3. Step 3: Cross multiply
    3,146.53x = 4,340.23 × 1,886.73
  4. Step 4: Simplify right side
    3,146.53x = 8,188,837.43
  5. Step 5: Solve for x
    x = 8,188,837.43/3,146.53
  6. Step 6: Final answer
    x = 2,602.50

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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.