Home / 5,319.59-7,967.50-3,855.38

Finding the Fourth Proportional to 5,319.59, 7,967.50 and 3,855.38

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Solution

The fourth proportional to 5,319.59, 7,967.50 and 3,855.38 is: 5,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.59 : 7,967.50 = 3,855.38 : x
  2. Step 2: Convert to fraction form
    5,319.59/7,967.50 = 3,855.38/x
  3. Step 3: Cross multiply
    5,319.59x = 7,967.50 × 3,855.38
  4. Step 4: Simplify right side
    5,319.59x = 30,717,690.67
  5. Step 5: Solve for x
    x = 30,717,690.67/5,319.59
  6. Step 6: Final answer
    x = 5,774.45

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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.