Home / 5,616.90-8,425.30-1,456.54

Finding the Fourth Proportional to 5,616.90, 8,425.30 and 1,456.54

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Solution

The fourth proportional to 5,616.90, 8,425.30 and 1,456.54 is: 2,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.90 : 8,425.30 = 1,456.54 : x
  2. Step 2: Convert to fraction form
    5,616.90/8,425.30 = 1,456.54/x
  3. Step 3: Cross multiply
    5,616.90x = 8,425.30 × 1,456.54
  4. Step 4: Simplify right side
    5,616.90x = 12,271,786.46
  5. Step 5: Solve for x
    x = 12,271,786.46/5,616.90
  6. Step 6: Final answer
    x = 2,184.80

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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.