Home / 2,491.44-3,438.15-1,483.86

Finding the Fourth Proportional to 2,491.44, 3,438.15 and 1,483.86

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Solution

The fourth proportional to 2,491.44, 3,438.15 and 1,483.86 is: 2,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.44 : 3,438.15 = 1,483.86 : x
  2. Step 2: Convert to fraction form
    2,491.44/3,438.15 = 1,483.86/x
  3. Step 3: Cross multiply
    2,491.44x = 3,438.15 × 1,483.86
  4. Step 4: Simplify right side
    2,491.44x = 5,101,733.26
  5. Step 5: Solve for x
    x = 5,101,733.26/2,491.44
  6. Step 6: Final answer
    x = 2,047.70

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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.