Home / 1,556.26-2,334.51-402.02

Finding the Fourth Proportional to 1,556.26, 2,334.51 and 402.02

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Solution

The fourth proportional to 1,556.26, 2,334.51 and 402.02 is: 603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.26 : 2,334.51 = 402.02 : x
  2. Step 2: Convert to fraction form
    1,556.26/2,334.51 = 402.02/x
  3. Step 3: Cross multiply
    1,556.26x = 2,334.51 × 402.02
  4. Step 4: Simplify right side
    1,556.26x = 938,519.71
  5. Step 5: Solve for x
    x = 938,519.71/1,556.26
  6. Step 6: Final answer
    x = 603.06

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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.