Home / 10,389.94-15,584.84-2,598.75

Finding the Fourth Proportional to 10,389.94, 15,584.84 and 2,598.75

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Solution

The fourth proportional to 10,389.94, 15,584.84 and 2,598.75 is: 3,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.94 : 15,584.84 = 2,598.75 : x
  2. Step 2: Convert to fraction form
    10,389.94/15,584.84 = 2,598.75/x
  3. Step 3: Cross multiply
    10,389.94x = 15,584.84 × 2,598.75
  4. Step 4: Simplify right side
    10,389.94x = 40,501,099.70
  5. Step 5: Solve for x
    x = 40,501,099.70/10,389.94
  6. Step 6: Final answer
    x = 3,898.11

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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.