Home / 3,118.15-4,303.79-1,792.63

Finding the Fourth Proportional to 3,118.15, 4,303.79 and 1,792.63

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Solution

The fourth proportional to 3,118.15, 4,303.79 and 1,792.63 is: 2,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.15 : 4,303.79 = 1,792.63 : x
  2. Step 2: Convert to fraction form
    3,118.15/4,303.79 = 1,792.63/x
  3. Step 3: Cross multiply
    3,118.15x = 4,303.79 × 1,792.63
  4. Step 4: Simplify right side
    3,118.15x = 7,715,090.07
  5. Step 5: Solve for x
    x = 7,715,090.07/3,118.15
  6. Step 6: Final answer
    x = 2,474.25

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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.