Home / 6,071.58-8,378.78-3,418.93

Finding the Fourth Proportional to 6,071.58, 8,378.78 and 3,418.93

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Solution

The fourth proportional to 6,071.58, 8,378.78 and 3,418.93 is: 4,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.58 : 8,378.78 = 3,418.93 : x
  2. Step 2: Convert to fraction form
    6,071.58/8,378.78 = 3,418.93/x
  3. Step 3: Cross multiply
    6,071.58x = 8,378.78 × 3,418.93
  4. Step 4: Simplify right side
    6,071.58x = 28,646,453.76
  5. Step 5: Solve for x
    x = 28,646,453.76/6,071.58
  6. Step 6: Final answer
    x = 4,718.12

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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.