Home / 5,853.12-8,081.55-3,618.06

Finding the Fourth Proportional to 5,853.12, 8,081.55 and 3,618.06

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Solution

The fourth proportional to 5,853.12, 8,081.55 and 3,618.06 is: 4,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.12 : 8,081.55 = 3,618.06 : x
  2. Step 2: Convert to fraction form
    5,853.12/8,081.55 = 3,618.06/x
  3. Step 3: Cross multiply
    5,853.12x = 8,081.55 × 3,618.06
  4. Step 4: Simplify right side
    5,853.12x = 29,239,532.79
  5. Step 5: Solve for x
    x = 29,239,532.79/5,853.12
  6. Step 6: Final answer
    x = 4,995.55

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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.