Home / 3,133.44-4,323.66-1,875

Finding the Fourth Proportional to 3,133.44, 4,323.66 and 1,875

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Solution

The fourth proportional to 3,133.44, 4,323.66 and 1,875 is: 2,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.44 : 4,323.66 = 1,875 : x
  2. Step 2: Convert to fraction form
    3,133.44/4,323.66 = 1,875/x
  3. Step 3: Cross multiply
    3,133.44x = 4,323.66 × 1,875
  4. Step 4: Simplify right side
    3,133.44x = 8,106,862.50
  5. Step 5: Solve for x
    x = 8,106,862.50/3,133.44
  6. Step 6: Final answer
    x = 2,587.21

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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.