Home / 6,071.79-8,378.33-3,519.53

Finding the Fourth Proportional to 6,071.79, 8,378.33 and 3,519.53

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Solution

The fourth proportional to 6,071.79, 8,378.33 and 3,519.53 is: 4,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.79 : 8,378.33 = 3,519.53 : x
  2. Step 2: Convert to fraction form
    6,071.79/8,378.33 = 3,519.53/x
  3. Step 3: Cross multiply
    6,071.79x = 8,378.33 × 3,519.53
  4. Step 4: Simplify right side
    6,071.79x = 29,487,813.53
  5. Step 5: Solve for x
    x = 29,487,813.53/6,071.79
  6. Step 6: Final answer
    x = 4,856.53

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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.