Home / 5,805.05-8,010.75-3,152.40

Finding the Fourth Proportional to 5,805.05, 8,010.75 and 3,152.40

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Solution

The fourth proportional to 5,805.05, 8,010.75 and 3,152.40 is: 4,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.05 : 8,010.75 = 3,152.40 : x
  2. Step 2: Convert to fraction form
    5,805.05/8,010.75 = 3,152.40/x
  3. Step 3: Cross multiply
    5,805.05x = 8,010.75 × 3,152.40
  4. Step 4: Simplify right side
    5,805.05x = 25,253,052.35
  5. Step 5: Solve for x
    x = 25,253,052.35/5,805.05
  6. Step 6: Final answer
    x = 4,350.19

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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.