Home / 6,299.91-8,689.44-5,459.13

Finding the Fourth Proportional to 6,299.91, 8,689.44 and 5,459.13

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Solution

The fourth proportional to 6,299.91, 8,689.44 and 5,459.13 is: 7,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,299.91 : 8,689.44 = 5,459.13 : x
  2. Step 2: Convert to fraction form
    6,299.91/8,689.44 = 5,459.13/x
  3. Step 3: Cross multiply
    6,299.91x = 8,689.44 × 5,459.13
  4. Step 4: Simplify right side
    6,299.91x = 47,436,782.59
  5. Step 5: Solve for x
    x = 47,436,782.59/6,299.91
  6. Step 6: Final answer
    x = 7,529.76

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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.