Home / 2,247.93-3,369.76-786.13

Finding the Fourth Proportional to 2,247.93, 3,369.76 and 786.13

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Solution

The fourth proportional to 2,247.93, 3,369.76 and 786.13 is: 1,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.93 : 3,369.76 = 786.13 : x
  2. Step 2: Convert to fraction form
    2,247.93/3,369.76 = 786.13/x
  3. Step 3: Cross multiply
    2,247.93x = 3,369.76 × 786.13
  4. Step 4: Simplify right side
    2,247.93x = 2,649,069.43
  5. Step 5: Solve for x
    x = 2,649,069.43/2,247.93
  6. Step 6: Final answer
    x = 1,178.45

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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.