Home / 2,579.04-3,556.91-1,938.13

Finding the Fourth Proportional to 2,579.04, 3,556.91 and 1,938.13

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Solution

The fourth proportional to 2,579.04, 3,556.91 and 1,938.13 is: 2,672.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.04 : 3,556.91 = 1,938.13 : x
  2. Step 2: Convert to fraction form
    2,579.04/3,556.91 = 1,938.13/x
  3. Step 3: Cross multiply
    2,579.04x = 3,556.91 × 1,938.13
  4. Step 4: Simplify right side
    2,579.04x = 6,893,749.93
  5. Step 5: Solve for x
    x = 6,893,749.93/2,579.04
  6. Step 6: Final answer
    x = 2,672.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.