Home / 7,905.62-10,910.90-4,719.06

Finding the Fourth Proportional to 7,905.62, 10,910.90 and 4,719.06

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Solution

The fourth proportional to 7,905.62, 10,910.90 and 4,719.06 is: 6,512.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.62 : 10,910.90 = 4,719.06 : x
  2. Step 2: Convert to fraction form
    7,905.62/10,910.90 = 4,719.06/x
  3. Step 3: Cross multiply
    7,905.62x = 10,910.90 × 4,719.06
  4. Step 4: Simplify right side
    7,905.62x = 51,489,203.55
  5. Step 5: Solve for x
    x = 51,489,203.55/7,905.62
  6. Step 6: Final answer
    x = 6,512.99

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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.