Home / 7,152.21-10,725.68-2,471.02

Finding the Fourth Proportional to 7,152.21, 10,725.68 and 2,471.02

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Solution

The fourth proportional to 7,152.21, 10,725.68 and 2,471.02 is: 3,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.21 : 10,725.68 = 2,471.02 : x
  2. Step 2: Convert to fraction form
    7,152.21/10,725.68 = 2,471.02/x
  3. Step 3: Cross multiply
    7,152.21x = 10,725.68 × 2,471.02
  4. Step 4: Simplify right side
    7,152.21x = 26,503,349.16
  5. Step 5: Solve for x
    x = 26,503,349.16/7,152.21
  6. Step 6: Final answer
    x = 3,705.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.