Home / 2,292.41-3,163.58-1,407.71

Finding the Fourth Proportional to 2,292.41, 3,163.58 and 1,407.71

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Solution

The fourth proportional to 2,292.41, 3,163.58 and 1,407.71 is: 1,942.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.41 : 3,163.58 = 1,407.71 : x
  2. Step 2: Convert to fraction form
    2,292.41/3,163.58 = 1,407.71/x
  3. Step 3: Cross multiply
    2,292.41x = 3,163.58 × 1,407.71
  4. Step 4: Simplify right side
    2,292.41x = 4,453,403.20
  5. Step 5: Solve for x
    x = 4,453,403.20/2,292.41
  6. Step 6: Final answer
    x = 1,942.67

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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.