Home / 5,038.60-7,550.20-3,389.04

Finding the Fourth Proportional to 5,038.60, 7,550.20 and 3,389.04

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Solution

The fourth proportional to 5,038.60, 7,550.20 and 3,389.04 is: 5,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.60 : 7,550.20 = 3,389.04 : x
  2. Step 2: Convert to fraction form
    5,038.60/7,550.20 = 3,389.04/x
  3. Step 3: Cross multiply
    5,038.60x = 7,550.20 × 3,389.04
  4. Step 4: Simplify right side
    5,038.60x = 25,587,929.81
  5. Step 5: Solve for x
    x = 25,587,929.81/5,038.60
  6. Step 6: Final answer
    x = 5,078.38

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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.