Home / 5,660.15-7,813.62-3,392.57

Finding the Fourth Proportional to 5,660.15, 7,813.62 and 3,392.57

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Solution

The fourth proportional to 5,660.15, 7,813.62 and 3,392.57 is: 4,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.15 : 7,813.62 = 3,392.57 : x
  2. Step 2: Convert to fraction form
    5,660.15/7,813.62 = 3,392.57/x
  3. Step 3: Cross multiply
    5,660.15x = 7,813.62 × 3,392.57
  4. Step 4: Simplify right side
    5,660.15x = 26,508,213.74
  5. Step 5: Solve for x
    x = 26,508,213.74/5,660.15
  6. Step 6: Final answer
    x = 4,683.31

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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.