Home / 3,043.72-4,200.19-1,699.49

Finding the Fourth Proportional to 3,043.72, 4,200.19 and 1,699.49

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Solution

The fourth proportional to 3,043.72, 4,200.19 and 1,699.49 is: 2,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.72 : 4,200.19 = 1,699.49 : x
  2. Step 2: Convert to fraction form
    3,043.72/4,200.19 = 1,699.49/x
  3. Step 3: Cross multiply
    3,043.72x = 4,200.19 × 1,699.49
  4. Step 4: Simplify right side
    3,043.72x = 7,138,173.09
  5. Step 5: Solve for x
    x = 7,138,173.09/3,043.72
  6. Step 6: Final answer
    x = 2,345.21

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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.