Home / 3,142.32-4,336.52-1,726.05

Finding the Fourth Proportional to 3,142.32, 4,336.52 and 1,726.05

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Solution

The fourth proportional to 3,142.32, 4,336.52 and 1,726.05 is: 2,382.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.32 : 4,336.52 = 1,726.05 : x
  2. Step 2: Convert to fraction form
    3,142.32/4,336.52 = 1,726.05/x
  3. Step 3: Cross multiply
    3,142.32x = 4,336.52 × 1,726.05
  4. Step 4: Simplify right side
    3,142.32x = 7,485,050.35
  5. Step 5: Solve for x
    x = 7,485,050.35/3,142.32
  6. Step 6: Final answer
    x = 2,382.01

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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.