Home / 5,360.99-8,041.43-2,071.78

Finding the Fourth Proportional to 5,360.99, 8,041.43 and 2,071.78

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Solution

The fourth proportional to 5,360.99, 8,041.43 and 2,071.78 is: 3,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.99 : 8,041.43 = 2,071.78 : x
  2. Step 2: Convert to fraction form
    5,360.99/8,041.43 = 2,071.78/x
  3. Step 3: Cross multiply
    5,360.99x = 8,041.43 × 2,071.78
  4. Step 4: Simplify right side
    5,360.99x = 16,660,047.27
  5. Step 5: Solve for x
    x = 16,660,047.27/5,360.99
  6. Step 6: Final answer
    x = 3,107.65

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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.