Home / 7,278.92-10,043.70-4,133.96

Finding the Fourth Proportional to 7,278.92, 10,043.70 and 4,133.96

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Solution

The fourth proportional to 7,278.92, 10,043.70 and 4,133.96 is: 5,704.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.92 : 10,043.70 = 4,133.96 : x
  2. Step 2: Convert to fraction form
    7,278.92/10,043.70 = 4,133.96/x
  3. Step 3: Cross multiply
    7,278.92x = 10,043.70 × 4,133.96
  4. Step 4: Simplify right side
    7,278.92x = 41,520,254.05
  5. Step 5: Solve for x
    x = 41,520,254.05/7,278.92
  6. Step 6: Final answer
    x = 5,704.18

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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.