Home / 5,588.91-8,384.66-1,640.00

Finding the Fourth Proportional to 5,588.91, 8,384.66 and 1,640.00

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Solution

The fourth proportional to 5,588.91, 8,384.66 and 1,640.00 is: 2,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.91 : 8,384.66 = 1,640.00 : x
  2. Step 2: Convert to fraction form
    5,588.91/8,384.66 = 1,640.00/x
  3. Step 3: Cross multiply
    5,588.91x = 8,384.66 × 1,640.00
  4. Step 4: Simplify right side
    5,588.91x = 13,750,855.16
  5. Step 5: Solve for x
    x = 13,750,855.16/5,588.91
  6. Step 6: Final answer
    x = 2,460.38

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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.