Home / 5,890.15-8,128.87-3,373.05

Finding the Fourth Proportional to 5,890.15, 8,128.87 and 3,373.05

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Solution

The fourth proportional to 5,890.15, 8,128.87 and 3,373.05 is: 4,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.15 : 8,128.87 = 3,373.05 : x
  2. Step 2: Convert to fraction form
    5,890.15/8,128.87 = 3,373.05/x
  3. Step 3: Cross multiply
    5,890.15x = 8,128.87 × 3,373.05
  4. Step 4: Simplify right side
    5,890.15x = 27,419,107.00
  5. Step 5: Solve for x
    x = 27,419,107.00/5,890.15
  6. Step 6: Final answer
    x = 4,655.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.