Home / 3,461.61-4,777.07-1,969.54

Finding the Fourth Proportional to 3,461.61, 4,777.07 and 1,969.54

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Solution

The fourth proportional to 3,461.61, 4,777.07 and 1,969.54 is: 2,717.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.61 : 4,777.07 = 1,969.54 : x
  2. Step 2: Convert to fraction form
    3,461.61/4,777.07 = 1,969.54/x
  3. Step 3: Cross multiply
    3,461.61x = 4,777.07 × 1,969.54
  4. Step 4: Simplify right side
    3,461.61x = 9,408,630.45
  5. Step 5: Solve for x
    x = 9,408,630.45/3,461.61
  6. Step 6: Final answer
    x = 2,717.99

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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.