Home / 7,288.65-10,059.12-4,144.50

Finding the Fourth Proportional to 7,288.65, 10,059.12 and 4,144.50

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Solution

The fourth proportional to 7,288.65, 10,059.12 and 4,144.50 is: 5,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.65 : 10,059.12 = 4,144.50 : x
  2. Step 2: Convert to fraction form
    7,288.65/10,059.12 = 4,144.50/x
  3. Step 3: Cross multiply
    7,288.65x = 10,059.12 × 4,144.50
  4. Step 4: Simplify right side
    7,288.65x = 41,690,022.84
  5. Step 5: Solve for x
    x = 41,690,022.84/7,288.65
  6. Step 6: Final answer
    x = 5,719.86

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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.