Home / 4,943.07-7,409.85-2,861.17

Finding the Fourth Proportional to 4,943.07, 7,409.85 and 2,861.17

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Solution

The fourth proportional to 4,943.07, 7,409.85 and 2,861.17 is: 4,289.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.07 : 7,409.85 = 2,861.17 : x
  2. Step 2: Convert to fraction form
    4,943.07/7,409.85 = 2,861.17/x
  3. Step 3: Cross multiply
    4,943.07x = 7,409.85 × 2,861.17
  4. Step 4: Simplify right side
    4,943.07x = 21,200,840.52
  5. Step 5: Solve for x
    x = 21,200,840.52/4,943.07
  6. Step 6: Final answer
    x = 4,289.00

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1.5x scale

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.