Home / 4,142.20-5,716.56-2,374.24

Finding the Fourth Proportional to 4,142.20, 5,716.56 and 2,374.24

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Solution

The fourth proportional to 4,142.20, 5,716.56 and 2,374.24 is: 3,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.20 : 5,716.56 = 2,374.24 : x
  2. Step 2: Convert to fraction form
    4,142.20/5,716.56 = 2,374.24/x
  3. Step 3: Cross multiply
    4,142.20x = 5,716.56 × 2,374.24
  4. Step 4: Simplify right side
    4,142.20x = 13,572,485.41
  5. Step 5: Solve for x
    x = 13,572,485.41/4,142.20
  6. Step 6: Final answer
    x = 3,276.64

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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.