Home / 3,491.24-5,237.18-1,758.76

Finding the Fourth Proportional to 3,491.24, 5,237.18 and 1,758.76

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Solution

The fourth proportional to 3,491.24, 5,237.18 and 1,758.76 is: 2,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.24 : 5,237.18 = 1,758.76 : x
  2. Step 2: Convert to fraction form
    3,491.24/5,237.18 = 1,758.76/x
  3. Step 3: Cross multiply
    3,491.24x = 5,237.18 × 1,758.76
  4. Step 4: Simplify right side
    3,491.24x = 9,210,942.70
  5. Step 5: Solve for x
    x = 9,210,942.70/3,491.24
  6. Step 6: Final answer
    x = 2,638.30

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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.