Home / 5,626.16-7,764.38-3,388.74

Finding the Fourth Proportional to 5,626.16, 7,764.38 and 3,388.74

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Solution

The fourth proportional to 5,626.16, 7,764.38 and 3,388.74 is: 4,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.16 : 7,764.38 = 3,388.74 : x
  2. Step 2: Convert to fraction form
    5,626.16/7,764.38 = 3,388.74/x
  3. Step 3: Cross multiply
    5,626.16x = 7,764.38 × 3,388.74
  4. Step 4: Simplify right side
    5,626.16x = 26,311,465.08
  5. Step 5: Solve for x
    x = 26,311,465.08/5,626.16
  6. Step 6: Final answer
    x = 4,676.63

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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.