Home / 5,917.58-8,875.94-2,021.90

Finding the Fourth Proportional to 5,917.58, 8,875.94 and 2,021.90

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Solution

The fourth proportional to 5,917.58, 8,875.94 and 2,021.90 is: 3,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.58 : 8,875.94 = 2,021.90 : x
  2. Step 2: Convert to fraction form
    5,917.58/8,875.94 = 2,021.90/x
  3. Step 3: Cross multiply
    5,917.58x = 8,875.94 × 2,021.90
  4. Step 4: Simplify right side
    5,917.58x = 17,946,263.09
  5. Step 5: Solve for x
    x = 17,946,263.09/5,917.58
  6. Step 6: Final answer
    x = 3,032.70

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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.