Home / 4,049.19-6,072.08-1,275.12

Finding the Fourth Proportional to 4,049.19, 6,072.08 and 1,275.12

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Solution

The fourth proportional to 4,049.19, 6,072.08 and 1,275.12 is: 1,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.19 : 6,072.08 = 1,275.12 : x
  2. Step 2: Convert to fraction form
    4,049.19/6,072.08 = 1,275.12/x
  3. Step 3: Cross multiply
    4,049.19x = 6,072.08 × 1,275.12
  4. Step 4: Simplify right side
    4,049.19x = 7,742,624.27
  5. Step 5: Solve for x
    x = 7,742,624.27/4,049.19
  6. Step 6: Final answer
    x = 1,912.14

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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.