Home / 2,868.89-3,958.81-1,750.16

Finding the Fourth Proportional to 2,868.89, 3,958.81 and 1,750.16

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Solution

The fourth proportional to 2,868.89, 3,958.81 and 1,750.16 is: 2,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.89 : 3,958.81 = 1,750.16 : x
  2. Step 2: Convert to fraction form
    2,868.89/3,958.81 = 1,750.16/x
  3. Step 3: Cross multiply
    2,868.89x = 3,958.81 × 1,750.16
  4. Step 4: Simplify right side
    2,868.89x = 6,928,556.43
  5. Step 5: Solve for x
    x = 6,928,556.43/2,868.89
  6. Step 6: Final answer
    x = 2,415.07

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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.