Home / 5,440.14-8,160-1,742.27

Finding the Fourth Proportional to 5,440.14, 8,160 and 1,742.27

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Solution

The fourth proportional to 5,440.14, 8,160 and 1,742.27 is: 2,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.14 : 8,160 = 1,742.27 : x
  2. Step 2: Convert to fraction form
    5,440.14/8,160 = 1,742.27/x
  3. Step 3: Cross multiply
    5,440.14x = 8,160 × 1,742.27
  4. Step 4: Simplify right side
    5,440.14x = 14,216,923.20
  5. Step 5: Solve for x
    x = 14,216,923.20/5,440.14
  6. Step 6: Final answer
    x = 2,613.34

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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.