Home / 2,472.13-3,411.21-1,423.99

Finding the Fourth Proportional to 2,472.13, 3,411.21 and 1,423.99

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Solution

The fourth proportional to 2,472.13, 3,411.21 and 1,423.99 is: 1,964.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.13 : 3,411.21 = 1,423.99 : x
  2. Step 2: Convert to fraction form
    2,472.13/3,411.21 = 1,423.99/x
  3. Step 3: Cross multiply
    2,472.13x = 3,411.21 × 1,423.99
  4. Step 4: Simplify right side
    2,472.13x = 4,857,528.93
  5. Step 5: Solve for x
    x = 4,857,528.93/2,472.13
  6. Step 6: Final answer
    x = 1,964.92

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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.