Home / 3,186.54-4,395.87-1,859.36

Finding the Fourth Proportional to 3,186.54, 4,395.87 and 1,859.36

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Solution

The fourth proportional to 3,186.54, 4,395.87 and 1,859.36 is: 2,565.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.54 : 4,395.87 = 1,859.36 : x
  2. Step 2: Convert to fraction form
    3,186.54/4,395.87 = 1,859.36/x
  3. Step 3: Cross multiply
    3,186.54x = 4,395.87 × 1,859.36
  4. Step 4: Simplify right side
    3,186.54x = 8,173,482.86
  5. Step 5: Solve for x
    x = 8,173,482.86/3,186.54
  6. Step 6: Final answer
    x = 2,565.00

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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.