Home / 6,436.17-8,878.74-4,049.04

Finding the Fourth Proportional to 6,436.17, 8,878.74 and 4,049.04

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Solution

The fourth proportional to 6,436.17, 8,878.74 and 4,049.04 is: 5,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.17 : 8,878.74 = 4,049.04 : x
  2. Step 2: Convert to fraction form
    6,436.17/8,878.74 = 4,049.04/x
  3. Step 3: Cross multiply
    6,436.17x = 8,878.74 × 4,049.04
  4. Step 4: Simplify right side
    6,436.17x = 35,950,373.41
  5. Step 5: Solve for x
    x = 35,950,373.41/6,436.17
  6. Step 6: Final answer
    x = 5,585.68

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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.