Home / 7,905.77-10,909.85-4,369.04

Finding the Fourth Proportional to 7,905.77, 10,909.85 and 4,369.04

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Solution

The fourth proportional to 7,905.77, 10,909.85 and 4,369.04 is: 6,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.77 : 10,909.85 = 4,369.04 : x
  2. Step 2: Convert to fraction form
    7,905.77/10,909.85 = 4,369.04/x
  3. Step 3: Cross multiply
    7,905.77x = 10,909.85 × 4,369.04
  4. Step 4: Simplify right side
    7,905.77x = 47,665,571.04
  5. Step 5: Solve for x
    x = 47,665,571.04/7,905.77
  6. Step 6: Final answer
    x = 6,029.21

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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.