Home / 5,370.03-8,055.45-1,672.38

Finding the Fourth Proportional to 5,370.03, 8,055.45 and 1,672.38

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Solution

The fourth proportional to 5,370.03, 8,055.45 and 1,672.38 is: 2,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.03 : 8,055.45 = 1,672.38 : x
  2. Step 2: Convert to fraction form
    5,370.03/8,055.45 = 1,672.38/x
  3. Step 3: Cross multiply
    5,370.03x = 8,055.45 × 1,672.38
  4. Step 4: Simplify right side
    5,370.03x = 13,471,773.47
  5. Step 5: Solve for x
    x = 13,471,773.47/5,370.03
  6. Step 6: Final answer
    x = 2,508.70

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1.5x scale

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.