Home / 6,120.48-8,447.02-3,468.74

Finding the Fourth Proportional to 6,120.48, 8,447.02 and 3,468.74

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Solution

The fourth proportional to 6,120.48, 8,447.02 and 3,468.74 is: 4,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.48 : 8,447.02 = 3,468.74 : x
  2. Step 2: Convert to fraction form
    6,120.48/8,447.02 = 3,468.74/x
  3. Step 3: Cross multiply
    6,120.48x = 8,447.02 × 3,468.74
  4. Step 4: Simplify right side
    6,120.48x = 29,300,473.92
  5. Step 5: Solve for x
    x = 29,300,473.92/6,120.48
  6. Step 6: Final answer
    x = 4,787.29

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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.