Home / 5,634.91-8,434.65-3,869.59

Finding the Fourth Proportional to 5,634.91, 8,434.65 and 3,869.59

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Solution

The fourth proportional to 5,634.91, 8,434.65 and 3,869.59 is: 5,792.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.91 : 8,434.65 = 3,869.59 : x
  2. Step 2: Convert to fraction form
    5,634.91/8,434.65 = 3,869.59/x
  3. Step 3: Cross multiply
    5,634.91x = 8,434.65 × 3,869.59
  4. Step 4: Simplify right side
    5,634.91x = 32,638,637.29
  5. Step 5: Solve for x
    x = 32,638,637.29/5,634.91
  6. Step 6: Final answer
    x = 5,792.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.