Home / 1,592.11-2,384.67-1,128.48

Finding the Fourth Proportional to 1,592.11, 2,384.67 and 1,128.48

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Solution

The fourth proportional to 1,592.11, 2,384.67 and 1,128.48 is: 1,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.11 : 2,384.67 = 1,128.48 : x
  2. Step 2: Convert to fraction form
    1,592.11/2,384.67 = 1,128.48/x
  3. Step 3: Cross multiply
    1,592.11x = 2,384.67 × 1,128.48
  4. Step 4: Simplify right side
    1,592.11x = 2,691,051.04
  5. Step 5: Solve for x
    x = 2,691,051.04/1,592.11
  6. Step 6: Final answer
    x = 1,690.25

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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.