Home / 5,485.76-8,224.92-3,631.16

Finding the Fourth Proportional to 5,485.76, 8,224.92 and 3,631.16

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Solution

The fourth proportional to 5,485.76, 8,224.92 and 3,631.16 is: 5,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.76 : 8,224.92 = 3,631.16 : x
  2. Step 2: Convert to fraction form
    5,485.76/8,224.92 = 3,631.16/x
  3. Step 3: Cross multiply
    5,485.76x = 8,224.92 × 3,631.16
  4. Step 4: Simplify right side
    5,485.76x = 29,866,000.51
  5. Step 5: Solve for x
    x = 29,866,000.51/5,485.76
  6. Step 6: Final answer
    x = 5,444.28

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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.