Home / 1,953.34-2,693.18-1,578.94

Finding the Fourth Proportional to 1,953.34, 2,693.18 and 1,578.94

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Solution

The fourth proportional to 1,953.34, 2,693.18 and 1,578.94 is: 2,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.34 : 2,693.18 = 1,578.94 : x
  2. Step 2: Convert to fraction form
    1,953.34/2,693.18 = 1,578.94/x
  3. Step 3: Cross multiply
    1,953.34x = 2,693.18 × 1,578.94
  4. Step 4: Simplify right side
    1,953.34x = 4,252,369.63
  5. Step 5: Solve for x
    x = 4,252,369.63/1,953.34
  6. Step 6: Final answer
    x = 2,176.97

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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.