Home / 2,556.33-3,528.66-1,994.55

Finding the Fourth Proportional to 2,556.33, 3,528.66 and 1,994.55

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Solution

The fourth proportional to 2,556.33, 3,528.66 and 1,994.55 is: 2,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.33 : 3,528.66 = 1,994.55 : x
  2. Step 2: Convert to fraction form
    2,556.33/3,528.66 = 1,994.55/x
  3. Step 3: Cross multiply
    2,556.33x = 3,528.66 × 1,994.55
  4. Step 4: Simplify right side
    2,556.33x = 7,038,088.80
  5. Step 5: Solve for x
    x = 7,038,088.80/2,556.33
  6. Step 6: Final answer
    x = 2,753.20

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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.