Home / 6,375.72-8,798.49-3,543.02

Finding the Fourth Proportional to 6,375.72, 8,798.49 and 3,543.02

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Solution

The fourth proportional to 6,375.72, 8,798.49 and 3,543.02 is: 4,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.72 : 8,798.49 = 3,543.02 : x
  2. Step 2: Convert to fraction form
    6,375.72/8,798.49 = 3,543.02/x
  3. Step 3: Cross multiply
    6,375.72x = 8,798.49 × 3,543.02
  4. Step 4: Simplify right side
    6,375.72x = 31,173,182.05
  5. Step 5: Solve for x
    x = 31,173,182.05/6,375.72
  6. Step 6: Final answer
    x = 4,889.36

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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.