Home / 3,042.80-4,199.52-1,716.62

Finding the Fourth Proportional to 3,042.80, 4,199.52 and 1,716.62

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Solution

The fourth proportional to 3,042.80, 4,199.52 and 1,716.62 is: 2,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.80 : 4,199.52 = 1,716.62 : x
  2. Step 2: Convert to fraction form
    3,042.80/4,199.52 = 1,716.62/x
  3. Step 3: Cross multiply
    3,042.80x = 4,199.52 × 1,716.62
  4. Step 4: Simplify right side
    3,042.80x = 7,208,980.02
  5. Step 5: Solve for x
    x = 7,208,980.02/3,042.80
  6. Step 6: Final answer
    x = 2,369.19

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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.