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Finding the Fourth Proportional to 6,068.58, 8,374.80 and 3,709.86

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Solution

The fourth proportional to 6,068.58, 8,374.80 and 3,709.86 is: 5,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,068.58 : 8,374.80 = 3,709.86 : x
  2. Step 2: Convert to fraction form
    6,068.58/8,374.80 = 3,709.86/x
  3. Step 3: Cross multiply
    6,068.58x = 8,374.80 × 3,709.86
  4. Step 4: Simplify right side
    6,068.58x = 31,069,335.53
  5. Step 5: Solve for x
    x = 31,069,335.53/6,068.58
  6. Step 6: Final answer
    x = 5,119.70

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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.