Home / 5,078.18-7,008.63-2,954.96

Finding the Fourth Proportional to 5,078.18, 7,008.63 and 2,954.96

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Solution

The fourth proportional to 5,078.18, 7,008.63 and 2,954.96 is: 4,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.18 : 7,008.63 = 2,954.96 : x
  2. Step 2: Convert to fraction form
    5,078.18/7,008.63 = 2,954.96/x
  3. Step 3: Cross multiply
    5,078.18x = 7,008.63 × 2,954.96
  4. Step 4: Simplify right side
    5,078.18x = 20,710,186.26
  5. Step 5: Solve for x
    x = 20,710,186.26/5,078.18
  6. Step 6: Final answer
    x = 4,078.27

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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.