Home / 3,852.86-5,316.95-2,174.62

Finding the Fourth Proportional to 3,852.86, 5,316.95 and 2,174.62

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Solution

The fourth proportional to 3,852.86, 5,316.95 and 2,174.62 is: 3,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.86 : 5,316.95 = 2,174.62 : x
  2. Step 2: Convert to fraction form
    3,852.86/5,316.95 = 2,174.62/x
  3. Step 3: Cross multiply
    3,852.86x = 5,316.95 × 2,174.62
  4. Step 4: Simplify right side
    3,852.86x = 11,562,345.81
  5. Step 5: Solve for x
    x = 11,562,345.81/3,852.86
  6. Step 6: Final answer
    x = 3,000.98

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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.