Home / 6,705.18-9,253.62-3,721.35

Finding the Fourth Proportional to 6,705.18, 9,253.62 and 3,721.35

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Solution

The fourth proportional to 6,705.18, 9,253.62 and 3,721.35 is: 5,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,705.18 : 9,253.62 = 3,721.35 : x
  2. Step 2: Convert to fraction form
    6,705.18/9,253.62 = 3,721.35/x
  3. Step 3: Cross multiply
    6,705.18x = 9,253.62 × 3,721.35
  4. Step 4: Simplify right side
    6,705.18x = 34,435,958.79
  5. Step 5: Solve for x
    x = 34,435,958.79/6,705.18
  6. Step 6: Final answer
    x = 5,135.72

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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.