Home / 3,551.32-5,323.62-1,470.03

Finding the Fourth Proportional to 3,551.32, 5,323.62 and 1,470.03

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Solution

The fourth proportional to 3,551.32, 5,323.62 and 1,470.03 is: 2,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.32 : 5,323.62 = 1,470.03 : x
  2. Step 2: Convert to fraction form
    3,551.32/5,323.62 = 1,470.03/x
  3. Step 3: Cross multiply
    3,551.32x = 5,323.62 × 1,470.03
  4. Step 4: Simplify right side
    3,551.32x = 7,825,881.11
  5. Step 5: Solve for x
    x = 7,825,881.11/3,551.32
  6. Step 6: Final answer
    x = 2,203.65

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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.