Home / 5,440.42-8,160.43-1,544.79

Finding the Fourth Proportional to 5,440.42, 8,160.43 and 1,544.79

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Solution

The fourth proportional to 5,440.42, 8,160.43 and 1,544.79 is: 2,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.42 : 8,160.43 = 1,544.79 : x
  2. Step 2: Convert to fraction form
    5,440.42/8,160.43 = 1,544.79/x
  3. Step 3: Cross multiply
    5,440.42x = 8,160.43 × 1,544.79
  4. Step 4: Simplify right side
    5,440.42x = 12,606,150.66
  5. Step 5: Solve for x
    x = 12,606,150.66/5,440.42
  6. Step 6: Final answer
    x = 2,317.13

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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.