Home / 1,592.11-2,381.95-1,407.43

Finding the Fourth Proportional to 1,592.11, 2,381.95 and 1,407.43

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Solution

The fourth proportional to 1,592.11, 2,381.95 and 1,407.43 is: 2,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.11 : 2,381.95 = 1,407.43 : x
  2. Step 2: Convert to fraction form
    1,592.11/2,381.95 = 1,407.43/x
  3. Step 3: Cross multiply
    1,592.11x = 2,381.95 × 1,407.43
  4. Step 4: Simplify right side
    1,592.11x = 3,352,427.89
  5. Step 5: Solve for x
    x = 3,352,427.89/1,592.11
  6. Step 6: Final answer
    x = 2,105.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.