Home / 5,141.55-7,095.48-3,154.11

Finding the Fourth Proportional to 5,141.55, 7,095.48 and 3,154.11

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Solution

The fourth proportional to 5,141.55, 7,095.48 and 3,154.11 is: 4,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.55 : 7,095.48 = 3,154.11 : x
  2. Step 2: Convert to fraction form
    5,141.55/7,095.48 = 3,154.11/x
  3. Step 3: Cross multiply
    5,141.55x = 7,095.48 × 3,154.11
  4. Step 4: Simplify right side
    5,141.55x = 22,379,924.42
  5. Step 5: Solve for x
    x = 22,379,924.42/5,141.55
  6. Step 6: Final answer
    x = 4,352.76

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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.