Home / 5,453.46-8,180.60-1,558.17

Finding the Fourth Proportional to 5,453.46, 8,180.60 and 1,558.17

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Solution

The fourth proportional to 5,453.46, 8,180.60 and 1,558.17 is: 2,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.46 : 8,180.60 = 1,558.17 : x
  2. Step 2: Convert to fraction form
    5,453.46/8,180.60 = 1,558.17/x
  3. Step 3: Cross multiply
    5,453.46x = 8,180.60 × 1,558.17
  4. Step 4: Simplify right side
    5,453.46x = 12,746,757.71
  5. Step 5: Solve for x
    x = 12,746,757.71/5,453.46
  6. Step 6: Final answer
    x = 2,337.37

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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.