Home / 5,588.02-8,380.50-1,640.16

Finding the Fourth Proportional to 5,588.02, 8,380.50 and 1,640.16

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Solution

The fourth proportional to 5,588.02, 8,380.50 and 1,640.16 is: 2,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.02 : 8,380.50 = 1,640.16 : x
  2. Step 2: Convert to fraction form
    5,588.02/8,380.50 = 1,640.16/x
  3. Step 3: Cross multiply
    5,588.02x = 8,380.50 × 1,640.16
  4. Step 4: Simplify right side
    5,588.02x = 13,745,360.88
  5. Step 5: Solve for x
    x = 13,745,360.88/5,588.02
  6. Step 6: Final answer
    x = 2,459.79

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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.