Home / 2,356.86-3,534.27-1,186.13

Finding the Fourth Proportional to 2,356.86, 3,534.27 and 1,186.13

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Solution

The fourth proportional to 2,356.86, 3,534.27 and 1,186.13 is: 1,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.86 : 3,534.27 = 1,186.13 : x
  2. Step 2: Convert to fraction form
    2,356.86/3,534.27 = 1,186.13/x
  3. Step 3: Cross multiply
    2,356.86x = 3,534.27 × 1,186.13
  4. Step 4: Simplify right side
    2,356.86x = 4,192,108.06
  5. Step 5: Solve for x
    x = 4,192,108.06/2,356.86
  6. Step 6: Final answer
    x = 1,778.68

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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.