Home / 4,874.21-7,309.58-1,586.69

Finding the Fourth Proportional to 4,874.21, 7,309.58 and 1,586.69

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Solution

The fourth proportional to 4,874.21, 7,309.58 and 1,586.69 is: 2,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.21 : 7,309.58 = 1,586.69 : x
  2. Step 2: Convert to fraction form
    4,874.21/7,309.58 = 1,586.69/x
  3. Step 3: Cross multiply
    4,874.21x = 7,309.58 × 1,586.69
  4. Step 4: Simplify right side
    4,874.21x = 11,598,004.91
  5. Step 5: Solve for x
    x = 11,598,004.91/4,874.21
  6. Step 6: Final answer
    x = 2,379.47

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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.