Home / 3,205.83-4,424.36-1,946.91

Finding the Fourth Proportional to 3,205.83, 4,424.36 and 1,946.91

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Solution

The fourth proportional to 3,205.83, 4,424.36 and 1,946.91 is: 2,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.83 : 4,424.36 = 1,946.91 : x
  2. Step 2: Convert to fraction form
    3,205.83/4,424.36 = 1,946.91/x
  3. Step 3: Cross multiply
    3,205.83x = 4,424.36 × 1,946.91
  4. Step 4: Simplify right side
    3,205.83x = 8,613,820.99
  5. Step 5: Solve for x
    x = 8,613,820.99/3,205.83
  6. Step 6: Final answer
    x = 2,686.92

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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.