Home / 5,672.13-8,508.21-3,091.47

Finding the Fourth Proportional to 5,672.13, 8,508.21 and 3,091.47

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Solution

The fourth proportional to 5,672.13, 8,508.21 and 3,091.47 is: 4,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.13 : 8,508.21 = 3,091.47 : x
  2. Step 2: Convert to fraction form
    5,672.13/8,508.21 = 3,091.47/x
  3. Step 3: Cross multiply
    5,672.13x = 8,508.21 × 3,091.47
  4. Step 4: Simplify right side
    5,672.13x = 26,302,832.47
  5. Step 5: Solve for x
    x = 26,302,832.47/5,672.13
  6. Step 6: Final answer
    x = 4,637.21

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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.