Home / 5,186.43-7,157.57-4,836.51

Finding the Fourth Proportional to 5,186.43, 7,157.57 and 4,836.51

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Solution

The fourth proportional to 5,186.43, 7,157.57 and 4,836.51 is: 6,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.43 : 7,157.57 = 4,836.51 : x
  2. Step 2: Convert to fraction form
    5,186.43/7,157.57 = 4,836.51/x
  3. Step 3: Cross multiply
    5,186.43x = 7,157.57 × 4,836.51
  4. Step 4: Simplify right side
    5,186.43x = 34,617,634.70
  5. Step 5: Solve for x
    x = 34,617,634.70/5,186.43
  6. Step 6: Final answer
    x = 6,674.66

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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.