Home / 10,390.94-15,586.34-2,599.75

Finding the Fourth Proportional to 10,390.94, 15,586.34 and 2,599.75

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Solution

The fourth proportional to 10,390.94, 15,586.34 and 2,599.75 is: 3,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.94 : 15,586.34 = 2,599.75 : x
  2. Step 2: Convert to fraction form
    10,390.94/15,586.34 = 2,599.75/x
  3. Step 3: Cross multiply
    10,390.94x = 15,586.34 × 2,599.75
  4. Step 4: Simplify right side
    10,390.94x = 40,520,587.42
  5. Step 5: Solve for x
    x = 40,520,587.42/10,390.94
  6. Step 6: Final answer
    x = 3,899.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.