Home / 5,717.16-8,579.33-2,430.28

Finding the Fourth Proportional to 5,717.16, 8,579.33 and 2,430.28

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Solution

The fourth proportional to 5,717.16, 8,579.33 and 2,430.28 is: 3,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.16 : 8,579.33 = 2,430.28 : x
  2. Step 2: Convert to fraction form
    5,717.16/8,579.33 = 2,430.28/x
  3. Step 3: Cross multiply
    5,717.16x = 8,579.33 × 2,430.28
  4. Step 4: Simplify right side
    5,717.16x = 20,850,158.74
  5. Step 5: Solve for x
    x = 20,850,158.74/5,717.16
  6. Step 6: Final answer
    x = 3,646.94

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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.