Home / 7,905.64-10,910.56-4,369.10

Finding the Fourth Proportional to 7,905.64, 10,910.56 and 4,369.10

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Solution

The fourth proportional to 7,905.64, 10,910.56 and 4,369.10 is: 6,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.64 : 10,910.56 = 4,369.10 : x
  2. Step 2: Convert to fraction form
    7,905.64/10,910.56 = 4,369.10/x
  3. Step 3: Cross multiply
    7,905.64x = 10,910.56 × 4,369.10
  4. Step 4: Simplify right side
    7,905.64x = 47,669,327.70
  5. Step 5: Solve for x
    x = 47,669,327.70/7,905.64
  6. Step 6: Final answer
    x = 6,029.79

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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.