Home / 5,930.36-8,900.93-3,159.40

Finding the Fourth Proportional to 5,930.36, 8,900.93 and 3,159.40

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Solution

The fourth proportional to 5,930.36, 8,900.93 and 3,159.40 is: 4,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.36 : 8,900.93 = 3,159.40 : x
  2. Step 2: Convert to fraction form
    5,930.36/8,900.93 = 3,159.40/x
  3. Step 3: Cross multiply
    5,930.36x = 8,900.93 × 3,159.40
  4. Step 4: Simplify right side
    5,930.36x = 28,121,537.94
  5. Step 5: Solve for x
    x = 28,121,537.94/5,930.36
  6. Step 6: Final answer
    x = 4,741.96

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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.