Home / 2,203.15-3,038.76-1,416.43

Finding the Fourth Proportional to 2,203.15, 3,038.76 and 1,416.43

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Solution

The fourth proportional to 2,203.15, 3,038.76 and 1,416.43 is: 1,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.15 : 3,038.76 = 1,416.43 : x
  2. Step 2: Convert to fraction form
    2,203.15/3,038.76 = 1,416.43/x
  3. Step 3: Cross multiply
    2,203.15x = 3,038.76 × 1,416.43
  4. Step 4: Simplify right side
    2,203.15x = 4,304,190.83
  5. Step 5: Solve for x
    x = 4,304,190.83/2,203.15
  6. Step 6: Final answer
    x = 1,953.65

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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.