Home / 3,039.24-4,558.90-847.99

Finding the Fourth Proportional to 3,039.24, 4,558.90 and 847.99

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Solution

The fourth proportional to 3,039.24, 4,558.90 and 847.99 is: 1,272.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.24 : 4,558.90 = 847.99 : x
  2. Step 2: Convert to fraction form
    3,039.24/4,558.90 = 847.99/x
  3. Step 3: Cross multiply
    3,039.24x = 4,558.90 × 847.99
  4. Step 4: Simplify right side
    3,039.24x = 3,865,901.61
  5. Step 5: Solve for x
    x = 3,865,901.61/3,039.24
  6. Step 6: Final answer
    x = 1,272.00

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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.