Home / 4,648.80-6,971.37-1,874.96

Finding the Fourth Proportional to 4,648.80, 6,971.37 and 1,874.96

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Solution

The fourth proportional to 4,648.80, 6,971.37 and 1,874.96 is: 2,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.80 : 6,971.37 = 1,874.96 : x
  2. Step 2: Convert to fraction form
    4,648.80/6,971.37 = 1,874.96/x
  3. Step 3: Cross multiply
    4,648.80x = 6,971.37 × 1,874.96
  4. Step 4: Simplify right side
    4,648.80x = 13,071,005.04
  5. Step 5: Solve for x
    x = 13,071,005.04/4,648.80
  6. Step 6: Final answer
    x = 2,811.69

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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.