Home / 3,042.81-4,199.48-1,716.84

Finding the Fourth Proportional to 3,042.81, 4,199.48 and 1,716.84

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Solution

The fourth proportional to 3,042.81, 4,199.48 and 1,716.84 is: 2,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.81 : 4,199.48 = 1,716.84 : x
  2. Step 2: Convert to fraction form
    3,042.81/4,199.48 = 1,716.84/x
  3. Step 3: Cross multiply
    3,042.81x = 4,199.48 × 1,716.84
  4. Step 4: Simplify right side
    3,042.81x = 7,209,826.66
  5. Step 5: Solve for x
    x = 7,209,826.66/3,042.81
  6. Step 6: Final answer
    x = 2,369.46

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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.