Home / 5,789.18-8,681.46-2,090.12

Finding the Fourth Proportional to 5,789.18, 8,681.46 and 2,090.12

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Solution

The fourth proportional to 5,789.18, 8,681.46 and 2,090.12 is: 3,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.18 : 8,681.46 = 2,090.12 : x
  2. Step 2: Convert to fraction form
    5,789.18/8,681.46 = 2,090.12/x
  3. Step 3: Cross multiply
    5,789.18x = 8,681.46 × 2,090.12
  4. Step 4: Simplify right side
    5,789.18x = 18,145,293.18
  5. Step 5: Solve for x
    x = 18,145,293.18/5,789.18
  6. Step 6: Final answer
    x = 3,134.35

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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.