Home / 3,142.12-4,336.34-1,744.84

Finding the Fourth Proportional to 3,142.12, 4,336.34 and 1,744.84

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Solution

The fourth proportional to 3,142.12, 4,336.34 and 1,744.84 is: 2,408.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.12 : 4,336.34 = 1,744.84 : x
  2. Step 2: Convert to fraction form
    3,142.12/4,336.34 = 1,744.84/x
  3. Step 3: Cross multiply
    3,142.12x = 4,336.34 × 1,744.84
  4. Step 4: Simplify right side
    3,142.12x = 7,566,219.49
  5. Step 5: Solve for x
    x = 7,566,219.49/3,142.12
  6. Step 6: Final answer
    x = 2,408.00

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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.