Home / 1,407.26-2,110.91-433.37

Finding the Fourth Proportional to 1,407.26, 2,110.91 and 433.37

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Solution

The fourth proportional to 1,407.26, 2,110.91 and 433.37 is: 650.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407.26 : 2,110.91 = 433.37 : x
  2. Step 2: Convert to fraction form
    1,407.26/2,110.91 = 433.37/x
  3. Step 3: Cross multiply
    1,407.26x = 2,110.91 × 433.37
  4. Step 4: Simplify right side
    1,407.26x = 914,808.18
  5. Step 5: Solve for x
    x = 914,808.18/1,407.26
  6. Step 6: Final answer
    x = 650.06

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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.