Home / 3,429.91-4,733.28-1,858

Finding the Fourth Proportional to 3,429.91, 4,733.28 and 1,858

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Solution

The fourth proportional to 3,429.91, 4,733.28 and 1,858 is: 2,564.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.91 : 4,733.28 = 1,858 : x
  2. Step 2: Convert to fraction form
    3,429.91/4,733.28 = 1,858/x
  3. Step 3: Cross multiply
    3,429.91x = 4,733.28 × 1,858
  4. Step 4: Simplify right side
    3,429.91x = 8,794,434.24
  5. Step 5: Solve for x
    x = 8,794,434.24/3,429.91
  6. Step 6: Final answer
    x = 2,564.04

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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.