Home / 2,315.07-3,472.74-1,491.84

Finding the Fourth Proportional to 2,315.07, 3,472.74 and 1,491.84

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Solution

The fourth proportional to 2,315.07, 3,472.74 and 1,491.84 is: 2,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.07 : 3,472.74 = 1,491.84 : x
  2. Step 2: Convert to fraction form
    2,315.07/3,472.74 = 1,491.84/x
  3. Step 3: Cross multiply
    2,315.07x = 3,472.74 × 1,491.84
  4. Step 4: Simplify right side
    2,315.07x = 5,180,772.44
  5. Step 5: Solve for x
    x = 5,180,772.44/2,315.07
  6. Step 6: Final answer
    x = 2,237.85

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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.