Home / 2,474.74-3,415.08-1,355.68

Finding the Fourth Proportional to 2,474.74, 3,415.08 and 1,355.68

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Solution

The fourth proportional to 2,474.74, 3,415.08 and 1,355.68 is: 1,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.74 : 3,415.08 = 1,355.68 : x
  2. Step 2: Convert to fraction form
    2,474.74/3,415.08 = 1,355.68/x
  3. Step 3: Cross multiply
    2,474.74x = 3,415.08 × 1,355.68
  4. Step 4: Simplify right side
    2,474.74x = 4,629,755.65
  5. Step 5: Solve for x
    x = 4,629,755.65/2,474.74
  6. Step 6: Final answer
    x = 1,870.80

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1.5x scale

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.