Home / 7,905.66-10,908.84-4,368.90

Finding the Fourth Proportional to 7,905.66, 10,908.84 and 4,368.90

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Solution

The fourth proportional to 7,905.66, 10,908.84 and 4,368.90 is: 6,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.66 : 10,908.84 = 4,368.90 : x
  2. Step 2: Convert to fraction form
    7,905.66/10,908.84 = 4,368.90/x
  3. Step 3: Cross multiply
    7,905.66x = 10,908.84 × 4,368.90
  4. Step 4: Simplify right side
    7,905.66x = 47,659,631.08
  5. Step 5: Solve for x
    x = 47,659,631.08/7,905.66
  6. Step 6: Final answer
    x = 6,028.55

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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.