Home / 3,146.53-4,341.99-1,801.98

Finding the Fourth Proportional to 3,146.53, 4,341.99 and 1,801.98

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Solution

The fourth proportional to 3,146.53, 4,341.99 and 1,801.98 is: 2,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.53 : 4,341.99 = 1,801.98 : x
  2. Step 2: Convert to fraction form
    3,146.53/4,341.99 = 1,801.98/x
  3. Step 3: Cross multiply
    3,146.53x = 4,341.99 × 1,801.98
  4. Step 4: Simplify right side
    3,146.53x = 7,824,174.20
  5. Step 5: Solve for x
    x = 7,824,174.20/3,146.53
  6. Step 6: Final answer
    x = 2,486.61

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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.