Home / 3,050.50-4,209.78-1,871.32

Finding the Fourth Proportional to 3,050.50, 4,209.78 and 1,871.32

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Solution

The fourth proportional to 3,050.50, 4,209.78 and 1,871.32 is: 2,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.50 : 4,209.78 = 1,871.32 : x
  2. Step 2: Convert to fraction form
    3,050.50/4,209.78 = 1,871.32/x
  3. Step 3: Cross multiply
    3,050.50x = 4,209.78 × 1,871.32
  4. Step 4: Simplify right side
    3,050.50x = 7,877,845.51
  5. Step 5: Solve for x
    x = 7,877,845.51/3,050.50
  6. Step 6: Final answer
    x = 2,582.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.