Home / 5,137.27-7,089.86-2,899.24

Finding the Fourth Proportional to 5,137.27, 7,089.86 and 2,899.24

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Solution

The fourth proportional to 5,137.27, 7,089.86 and 2,899.24 is: 4,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.27 : 7,089.86 = 2,899.24 : x
  2. Step 2: Convert to fraction form
    5,137.27/7,089.86 = 2,899.24/x
  3. Step 3: Cross multiply
    5,137.27x = 7,089.86 × 2,899.24
  4. Step 4: Simplify right side
    5,137.27x = 20,555,195.23
  5. Step 5: Solve for x
    x = 20,555,195.23/5,137.27
  6. Step 6: Final answer
    x = 4,001.19

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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.