Home / 3,977.61-5,487.03-2,701.04

Finding the Fourth Proportional to 3,977.61, 5,487.03 and 2,701.04

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Solution

The fourth proportional to 3,977.61, 5,487.03 and 2,701.04 is: 3,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.61 : 5,487.03 = 2,701.04 : x
  2. Step 2: Convert to fraction form
    3,977.61/5,487.03 = 2,701.04/x
  3. Step 3: Cross multiply
    3,977.61x = 5,487.03 × 2,701.04
  4. Step 4: Simplify right side
    3,977.61x = 14,820,701.23
  5. Step 5: Solve for x
    x = 14,820,701.23/3,977.61
  6. Step 6: Final answer
    x = 3,726.03

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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.