Home / 5,815.35-8,727.48-4,259.43

Finding the Fourth Proportional to 5,815.35, 8,727.48 and 4,259.43

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Solution

The fourth proportional to 5,815.35, 8,727.48 and 4,259.43 is: 6,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.35 : 8,727.48 = 4,259.43 : x
  2. Step 2: Convert to fraction form
    5,815.35/8,727.48 = 4,259.43/x
  3. Step 3: Cross multiply
    5,815.35x = 8,727.48 × 4,259.43
  4. Step 4: Simplify right side
    5,815.35x = 37,174,090.14
  5. Step 5: Solve for x
    x = 37,174,090.14/5,815.35
  6. Step 6: Final answer
    x = 6,392.41

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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.