Home / 5,440.19-8,158.55-3,357.07

Finding the Fourth Proportional to 5,440.19, 8,158.55 and 3,357.07

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Solution

The fourth proportional to 5,440.19, 8,158.55 and 3,357.07 is: 5,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.19 : 8,158.55 = 3,357.07 : x
  2. Step 2: Convert to fraction form
    5,440.19/8,158.55 = 3,357.07/x
  3. Step 3: Cross multiply
    5,440.19x = 8,158.55 × 3,357.07
  4. Step 4: Simplify right side
    5,440.19x = 27,388,823.45
  5. Step 5: Solve for x
    x = 27,388,823.45/5,440.19
  6. Step 6: Final answer
    x = 5,034.53

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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.