Home / 1,588.24-2,382.90-711.35

Finding the Fourth Proportional to 1,588.24, 2,382.90 and 711.35

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Solution

The fourth proportional to 1,588.24, 2,382.90 and 711.35 is: 1,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.24 : 2,382.90 = 711.35 : x
  2. Step 2: Convert to fraction form
    1,588.24/2,382.90 = 711.35/x
  3. Step 3: Cross multiply
    1,588.24x = 2,382.90 × 711.35
  4. Step 4: Simplify right side
    1,588.24x = 1,695,075.92
  5. Step 5: Solve for x
    x = 1,695,075.92/1,588.24
  6. Step 6: Final answer
    x = 1,067.27

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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.