Home / 3,029.07-4,175.85-2,143.32

Finding the Fourth Proportional to 3,029.07, 4,175.85 and 2,143.32

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Solution

The fourth proportional to 3,029.07, 4,175.85 and 2,143.32 is: 2,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.07 : 4,175.85 = 2,143.32 : x
  2. Step 2: Convert to fraction form
    3,029.07/4,175.85 = 2,143.32/x
  3. Step 3: Cross multiply
    3,029.07x = 4,175.85 × 2,143.32
  4. Step 4: Simplify right side
    3,029.07x = 8,950,182.82
  5. Step 5: Solve for x
    x = 8,950,182.82/3,029.07
  6. Step 6: Final answer
    x = 2,954.76

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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.