Home / 3,358.61-4,634.16-1,866.21

Finding the Fourth Proportional to 3,358.61, 4,634.16 and 1,866.21

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Solution

The fourth proportional to 3,358.61, 4,634.16 and 1,866.21 is: 2,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.61 : 4,634.16 = 1,866.21 : x
  2. Step 2: Convert to fraction form
    3,358.61/4,634.16 = 1,866.21/x
  3. Step 3: Cross multiply
    3,358.61x = 4,634.16 × 1,866.21
  4. Step 4: Simplify right side
    3,358.61x = 8,648,315.73
  5. Step 5: Solve for x
    x = 8,648,315.73/3,358.61
  6. Step 6: Final answer
    x = 2,574.97

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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.