Home / 5,911.09-8,098.16-5,689.51

Finding the Fourth Proportional to 5,911.09, 8,098.16 and 5,689.51

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Solution

The fourth proportional to 5,911.09, 8,098.16 and 5,689.51 is: 7,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.09 : 8,098.16 = 5,689.51 : x
  2. Step 2: Convert to fraction form
    5,911.09/8,098.16 = 5,689.51/x
  3. Step 3: Cross multiply
    5,911.09x = 8,098.16 × 5,689.51
  4. Step 4: Simplify right side
    5,911.09x = 46,074,562.30
  5. Step 5: Solve for x
    x = 46,074,562.30/5,911.09
  6. Step 6: Final answer
    x = 7,794.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.