Home / 3,461.85-4,777.33-1,889.96

Finding the Fourth Proportional to 3,461.85, 4,777.33 and 1,889.96

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Solution

The fourth proportional to 3,461.85, 4,777.33 and 1,889.96 is: 2,608.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.85 : 4,777.33 = 1,889.96 : x
  2. Step 2: Convert to fraction form
    3,461.85/4,777.33 = 1,889.96/x
  3. Step 3: Cross multiply
    3,461.85x = 4,777.33 × 1,889.96
  4. Step 4: Simplify right side
    3,461.85x = 9,028,962.61
  5. Step 5: Solve for x
    x = 9,028,962.61/3,461.85
  6. Step 6: Final answer
    x = 2,608.13

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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.