Home / 3,418.02-4,711.34-2,670.68

Finding the Fourth Proportional to 3,418.02, 4,711.34 and 2,670.68

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Solution

The fourth proportional to 3,418.02, 4,711.34 and 2,670.68 is: 3,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.02 : 4,711.34 = 2,670.68 : x
  2. Step 2: Convert to fraction form
    3,418.02/4,711.34 = 2,670.68/x
  3. Step 3: Cross multiply
    3,418.02x = 4,711.34 × 2,670.68
  4. Step 4: Simplify right side
    3,418.02x = 12,582,481.51
  5. Step 5: Solve for x
    x = 12,582,481.51/3,418.02
  6. Step 6: Final answer
    x = 3,681.22

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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.