Home / 3,275.17-4,490.26-3,215.94

Finding the Fourth Proportional to 3,275.17, 4,490.26 and 3,215.94

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Solution

The fourth proportional to 3,275.17, 4,490.26 and 3,215.94 is: 4,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.17 : 4,490.26 = 3,215.94 : x
  2. Step 2: Convert to fraction form
    3,275.17/4,490.26 = 3,215.94/x
  3. Step 3: Cross multiply
    3,275.17x = 4,490.26 × 3,215.94
  4. Step 4: Simplify right side
    3,275.17x = 14,440,406.74
  5. Step 5: Solve for x
    x = 14,440,406.74/3,275.17
  6. Step 6: Final answer
    x = 4,409.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.