Home / 7,154.20-10,719.41-5,063.86

Finding the Fourth Proportional to 7,154.20, 10,719.41 and 5,063.86

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Solution

The fourth proportional to 7,154.20, 10,719.41 and 5,063.86 is: 7,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.20 : 10,719.41 = 5,063.86 : x
  2. Step 2: Convert to fraction form
    7,154.20/10,719.41 = 5,063.86/x
  3. Step 3: Cross multiply
    7,154.20x = 10,719.41 × 5,063.86
  4. Step 4: Simplify right side
    7,154.20x = 54,281,537.93
  5. Step 5: Solve for x
    x = 54,281,537.93/7,154.20
  6. Step 6: Final answer
    x = 7,587.37

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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.