Home / 2,475.33-3,415.79-1,356.26

Finding the Fourth Proportional to 2,475.33, 3,415.79 and 1,356.26

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Solution

The fourth proportional to 2,475.33, 3,415.79 and 1,356.26 is: 1,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.33 : 3,415.79 = 1,356.26 : x
  2. Step 2: Convert to fraction form
    2,475.33/3,415.79 = 1,356.26/x
  3. Step 3: Cross multiply
    2,475.33x = 3,415.79 × 1,356.26
  4. Step 4: Simplify right side
    2,475.33x = 4,632,688.29
  5. Step 5: Solve for x
    x = 4,632,688.29/2,475.33
  6. Step 6: Final answer
    x = 1,871.55

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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.