Home / 5,051.22-6,971.12-2,813.52

Finding the Fourth Proportional to 5,051.22, 6,971.12 and 2,813.52

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Solution

The fourth proportional to 5,051.22, 6,971.12 and 2,813.52 is: 3,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.22 : 6,971.12 = 2,813.52 : x
  2. Step 2: Convert to fraction form
    5,051.22/6,971.12 = 2,813.52/x
  3. Step 3: Cross multiply
    5,051.22x = 6,971.12 × 2,813.52
  4. Step 4: Simplify right side
    5,051.22x = 19,613,385.54
  5. Step 5: Solve for x
    x = 19,613,385.54/5,051.22
  6. Step 6: Final answer
    x = 3,882.90

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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.