Home / 5,664.20-8,485.32-2,810.62

Finding the Fourth Proportional to 5,664.20, 8,485.32 and 2,810.62

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Solution

The fourth proportional to 5,664.20, 8,485.32 and 2,810.62 is: 4,210.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.20 : 8,485.32 = 2,810.62 : x
  2. Step 2: Convert to fraction form
    5,664.20/8,485.32 = 2,810.62/x
  3. Step 3: Cross multiply
    5,664.20x = 8,485.32 × 2,810.62
  4. Step 4: Simplify right side
    5,664.20x = 23,849,010.10
  5. Step 5: Solve for x
    x = 23,849,010.10/5,664.20
  6. Step 6: Final answer
    x = 4,210.48

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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.