Home / 6,079.49-8,389.64-3,427.76

Finding the Fourth Proportional to 6,079.49, 8,389.64 and 3,427.76

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Solution

The fourth proportional to 6,079.49, 8,389.64 and 3,427.76 is: 4,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.49 : 8,389.64 = 3,427.76 : x
  2. Step 2: Convert to fraction form
    6,079.49/8,389.64 = 3,427.76/x
  3. Step 3: Cross multiply
    6,079.49x = 8,389.64 × 3,427.76
  4. Step 4: Simplify right side
    6,079.49x = 28,757,672.41
  5. Step 5: Solve for x
    x = 28,757,672.41/6,079.49
  6. Step 6: Final answer
    x = 4,730.28

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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.