Home / 6,105.74-8,426.30-3,717.45

Finding the Fourth Proportional to 6,105.74, 8,426.30 and 3,717.45

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Solution

The fourth proportional to 6,105.74, 8,426.30 and 3,717.45 is: 5,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.74 : 8,426.30 = 3,717.45 : x
  2. Step 2: Convert to fraction form
    6,105.74/8,426.30 = 3,717.45/x
  3. Step 3: Cross multiply
    6,105.74x = 8,426.30 × 3,717.45
  4. Step 4: Simplify right side
    6,105.74x = 31,324,330.35
  5. Step 5: Solve for x
    x = 31,324,330.35/6,105.74
  6. Step 6: Final answer
    x = 5,130.31

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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.