Home / 3,091.84-4,271.13-2,493.45

Finding the Fourth Proportional to 3,091.84, 4,271.13 and 2,493.45

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Solution

The fourth proportional to 3,091.84, 4,271.13 and 2,493.45 is: 3,444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.84 : 4,271.13 = 2,493.45 : x
  2. Step 2: Convert to fraction form
    3,091.84/4,271.13 = 2,493.45/x
  3. Step 3: Cross multiply
    3,091.84x = 4,271.13 × 2,493.45
  4. Step 4: Simplify right side
    3,091.84x = 10,649,849.10
  5. Step 5: Solve for x
    x = 10,649,849.10/3,091.84
  6. Step 6: Final answer
    x = 3,444.50

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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.