Home / 5,626.74-8,440.05-2,116.59

Finding the Fourth Proportional to 5,626.74, 8,440.05 and 2,116.59

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Solution

The fourth proportional to 5,626.74, 8,440.05 and 2,116.59 is: 3,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.74 : 8,440.05 = 2,116.59 : x
  2. Step 2: Convert to fraction form
    5,626.74/8,440.05 = 2,116.59/x
  3. Step 3: Cross multiply
    5,626.74x = 8,440.05 × 2,116.59
  4. Step 4: Simplify right side
    5,626.74x = 17,864,125.43
  5. Step 5: Solve for x
    x = 17,864,125.43/5,626.74
  6. Step 6: Final answer
    x = 3,174.86

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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.