Home / 3,047.91-4,205.61-1,852.69

Finding the Fourth Proportional to 3,047.91, 4,205.61 and 1,852.69

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Solution

The fourth proportional to 3,047.91, 4,205.61 and 1,852.69 is: 2,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.91 : 4,205.61 = 1,852.69 : x
  2. Step 2: Convert to fraction form
    3,047.91/4,205.61 = 1,852.69/x
  3. Step 3: Cross multiply
    3,047.91x = 4,205.61 × 1,852.69
  4. Step 4: Simplify right side
    3,047.91x = 7,791,692.84
  5. Step 5: Solve for x
    x = 7,791,692.84/3,047.91
  6. Step 6: Final answer
    x = 2,556.40

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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.