Home / 6,151.58-8,490.05-3,499.23

Finding the Fourth Proportional to 6,151.58, 8,490.05 and 3,499.23

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Solution

The fourth proportional to 6,151.58, 8,490.05 and 3,499.23 is: 4,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.58 : 8,490.05 = 3,499.23 : x
  2. Step 2: Convert to fraction form
    6,151.58/8,490.05 = 3,499.23/x
  3. Step 3: Cross multiply
    6,151.58x = 8,490.05 × 3,499.23
  4. Step 4: Simplify right side
    6,151.58x = 29,708,620.17
  5. Step 5: Solve for x
    x = 29,708,620.17/6,151.58
  6. Step 6: Final answer
    x = 4,829.43

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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.