Home / 5,582.72-8,370.24-2,117.04

Finding the Fourth Proportional to 5,582.72, 8,370.24 and 2,117.04

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Solution

The fourth proportional to 5,582.72, 8,370.24 and 2,117.04 is: 3,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.72 : 8,370.24 = 2,117.04 : x
  2. Step 2: Convert to fraction form
    5,582.72/8,370.24 = 2,117.04/x
  3. Step 3: Cross multiply
    5,582.72x = 8,370.24 × 2,117.04
  4. Step 4: Simplify right side
    5,582.72x = 17,720,132.89
  5. Step 5: Solve for x
    x = 17,720,132.89/5,582.72
  6. Step 6: Final answer
    x = 3,174.10

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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.