Home / 6,905.91-9,530.40-4,781.88

Finding the Fourth Proportional to 6,905.91, 9,530.40 and 4,781.88

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Solution

The fourth proportional to 6,905.91, 9,530.40 and 4,781.88 is: 6,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.91 : 9,530.40 = 4,781.88 : x
  2. Step 2: Convert to fraction form
    6,905.91/9,530.40 = 4,781.88/x
  3. Step 3: Cross multiply
    6,905.91x = 9,530.40 × 4,781.88
  4. Step 4: Simplify right side
    6,905.91x = 45,573,229.15
  5. Step 5: Solve for x
    x = 45,573,229.15/6,905.91
  6. Step 6: Final answer
    x = 6,599.16

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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.