Home / 5,717.28-8,577-2,430.36

Finding the Fourth Proportional to 5,717.28, 8,577 and 2,430.36

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Solution

The fourth proportional to 5,717.28, 8,577 and 2,430.36 is: 3,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.28 : 8,577 = 2,430.36 : x
  2. Step 2: Convert to fraction form
    5,717.28/8,577 = 2,430.36/x
  3. Step 3: Cross multiply
    5,717.28x = 8,577 × 2,430.36
  4. Step 4: Simplify right side
    5,717.28x = 20,845,197.72
  5. Step 5: Solve for x
    x = 20,845,197.72/5,717.28
  6. Step 6: Final answer
    x = 3,646.00

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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.