Home / 5,140.91-7,699.65-4,023.35

Finding the Fourth Proportional to 5,140.91, 7,699.65 and 4,023.35

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Solution

The fourth proportional to 5,140.91, 7,699.65 and 4,023.35 is: 6,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.91 : 7,699.65 = 4,023.35 : x
  2. Step 2: Convert to fraction form
    5,140.91/7,699.65 = 4,023.35/x
  3. Step 3: Cross multiply
    5,140.91x = 7,699.65 × 4,023.35
  4. Step 4: Simplify right side
    5,140.91x = 30,978,384.26
  5. Step 5: Solve for x
    x = 30,978,384.26/5,140.91
  6. Step 6: Final answer
    x = 6,025.86

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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.