Home / 2,475.14-3,415.68-1,356.07

Finding the Fourth Proportional to 2,475.14, 3,415.68 and 1,356.07

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Solution

The fourth proportional to 2,475.14, 3,415.68 and 1,356.07 is: 1,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.14 : 3,415.68 = 1,356.07 : x
  2. Step 2: Convert to fraction form
    2,475.14/3,415.68 = 1,356.07/x
  3. Step 3: Cross multiply
    2,475.14x = 3,415.68 × 1,356.07
  4. Step 4: Simplify right side
    2,475.14x = 4,631,900.36
  5. Step 5: Solve for x
    x = 4,631,900.36/2,475.14
  6. Step 6: Final answer
    x = 1,871.37

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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.