Home / 3,390.08-5,085.24-1,199.12

Finding the Fourth Proportional to 3,390.08, 5,085.24 and 1,199.12

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Solution

The fourth proportional to 3,390.08, 5,085.24 and 1,199.12 is: 1,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.08 : 5,085.24 = 1,199.12 : x
  2. Step 2: Convert to fraction form
    3,390.08/5,085.24 = 1,199.12/x
  3. Step 3: Cross multiply
    3,390.08x = 5,085.24 × 1,199.12
  4. Step 4: Simplify right side
    3,390.08x = 6,097,812.99
  5. Step 5: Solve for x
    x = 6,097,812.99/3,390.08
  6. Step 6: Final answer
    x = 1,798.72

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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.