Home / 5,855.12-8,079.72-3,337.64

Finding the Fourth Proportional to 5,855.12, 8,079.72 and 3,337.64

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Solution

The fourth proportional to 5,855.12, 8,079.72 and 3,337.64 is: 4,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.12 : 8,079.72 = 3,337.64 : x
  2. Step 2: Convert to fraction form
    5,855.12/8,079.72 = 3,337.64/x
  3. Step 3: Cross multiply
    5,855.12x = 8,079.72 × 3,337.64
  4. Step 4: Simplify right side
    5,855.12x = 26,967,196.66
  5. Step 5: Solve for x
    x = 26,967,196.66/5,855.12
  6. Step 6: Final answer
    x = 4,605.75

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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.