Home / 2,474.63-3,415.00-1,355.61

Finding the Fourth Proportional to 2,474.63, 3,415.00 and 1,355.61

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Solution

The fourth proportional to 2,474.63, 3,415.00 and 1,355.61 is: 1,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.63 : 3,415.00 = 1,355.61 : x
  2. Step 2: Convert to fraction form
    2,474.63/3,415.00 = 1,355.61/x
  3. Step 3: Cross multiply
    2,474.63x = 3,415.00 × 1,355.61
  4. Step 4: Simplify right side
    2,474.63x = 4,629,417.57
  5. Step 5: Solve for x
    x = 4,629,417.57/2,474.63
  6. Step 6: Final answer
    x = 1,870.75

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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.