Home / 2,943.23-4,057.67-2,521.76

Finding the Fourth Proportional to 2,943.23, 4,057.67 and 2,521.76

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Solution

The fourth proportional to 2,943.23, 4,057.67 and 2,521.76 is: 3,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.23 : 4,057.67 = 2,521.76 : x
  2. Step 2: Convert to fraction form
    2,943.23/4,057.67 = 2,521.76/x
  3. Step 3: Cross multiply
    2,943.23x = 4,057.67 × 2,521.76
  4. Step 4: Simplify right side
    2,943.23x = 10,232,437.00
  5. Step 5: Solve for x
    x = 10,232,437.00/2,943.23
  6. Step 6: Final answer
    x = 3,476.61

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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.