Home / 3,055.50-4,215.42-2,260.74

Finding the Fourth Proportional to 3,055.50, 4,215.42 and 2,260.74

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Solution

The fourth proportional to 3,055.50, 4,215.42 and 2,260.74 is: 3,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.50 : 4,215.42 = 2,260.74 : x
  2. Step 2: Convert to fraction form
    3,055.50/4,215.42 = 2,260.74/x
  3. Step 3: Cross multiply
    3,055.50x = 4,215.42 × 2,260.74
  4. Step 4: Simplify right side
    3,055.50x = 9,529,968.61
  5. Step 5: Solve for x
    x = 9,529,968.61/3,055.50
  6. Step 6: Final answer
    x = 3,118.96

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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.