Home / 7,375.03-10,176.66-4,188.31

Finding the Fourth Proportional to 7,375.03, 10,176.66 and 4,188.31

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Solution

The fourth proportional to 7,375.03, 10,176.66 and 4,188.31 is: 5,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.03 : 10,176.66 = 4,188.31 : x
  2. Step 2: Convert to fraction form
    7,375.03/10,176.66 = 4,188.31/x
  3. Step 3: Cross multiply
    7,375.03x = 10,176.66 × 4,188.31
  4. Step 4: Simplify right side
    7,375.03x = 42,622,966.43
  5. Step 5: Solve for x
    x = 42,622,966.43/7,375.03
  6. Step 6: Final answer
    x = 5,779.36

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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.