Home / 3,638.61-5,020.83-2,576.93

Finding the Fourth Proportional to 3,638.61, 5,020.83 and 2,576.93

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Solution

The fourth proportional to 3,638.61, 5,020.83 and 2,576.93 is: 3,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.61 : 5,020.83 = 2,576.93 : x
  2. Step 2: Convert to fraction form
    3,638.61/5,020.83 = 2,576.93/x
  3. Step 3: Cross multiply
    3,638.61x = 5,020.83 × 2,576.93
  4. Step 4: Simplify right side
    3,638.61x = 12,938,302.35
  5. Step 5: Solve for x
    x = 12,938,302.35/3,638.61
  6. Step 6: Final answer
    x = 3,555.84

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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.