Home / 2,475.11-3,415.62-1,356.04

Finding the Fourth Proportional to 2,475.11, 3,415.62 and 1,356.04

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Solution

The fourth proportional to 2,475.11, 3,415.62 and 1,356.04 is: 1,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.11 : 3,415.62 = 1,356.04 : x
  2. Step 2: Convert to fraction form
    2,475.11/3,415.62 = 1,356.04/x
  3. Step 3: Cross multiply
    2,475.11x = 3,415.62 × 1,356.04
  4. Step 4: Simplify right side
    2,475.11x = 4,631,719.07
  5. Step 5: Solve for x
    x = 4,631,719.07/2,475.11
  6. Step 6: Final answer
    x = 1,871.32

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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.