Home / 1,588.46-2,383.18-711.70

Finding the Fourth Proportional to 1,588.46, 2,383.18 and 711.70

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Solution

The fourth proportional to 1,588.46, 2,383.18 and 711.70 is: 1,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.46 : 2,383.18 = 711.70 : x
  2. Step 2: Convert to fraction form
    1,588.46/2,383.18 = 711.70/x
  3. Step 3: Cross multiply
    1,588.46x = 2,383.18 × 711.70
  4. Step 4: Simplify right side
    1,588.46x = 1,696,109.21
  5. Step 5: Solve for x
    x = 1,696,109.21/1,588.46
  6. Step 6: Final answer
    x = 1,067.77

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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.