Home / 5,249.81-7,244.74-3,011.93

Finding the Fourth Proportional to 5,249.81, 7,244.74 and 3,011.93

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Solution

The fourth proportional to 5,249.81, 7,244.74 and 3,011.93 is: 4,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.81 : 7,244.74 = 3,011.93 : x
  2. Step 2: Convert to fraction form
    5,249.81/7,244.74 = 3,011.93/x
  3. Step 3: Cross multiply
    5,249.81x = 7,244.74 × 3,011.93
  4. Step 4: Simplify right side
    5,249.81x = 21,820,685.21
  5. Step 5: Solve for x
    x = 21,820,685.21/5,249.81
  6. Step 6: Final answer
    x = 4,156.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.