Home / 1,556.62-2,333.36-1,009.15

Finding the Fourth Proportional to 1,556.62, 2,333.36 and 1,009.15

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Solution

The fourth proportional to 1,556.62, 2,333.36 and 1,009.15 is: 1,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.62 : 2,333.36 = 1,009.15 : x
  2. Step 2: Convert to fraction form
    1,556.62/2,333.36 = 1,009.15/x
  3. Step 3: Cross multiply
    1,556.62x = 2,333.36 × 1,009.15
  4. Step 4: Simplify right side
    1,556.62x = 2,354,705.20
  5. Step 5: Solve for x
    x = 2,354,705.20/1,556.62
  6. Step 6: Final answer
    x = 1,512.70

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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.