Home / 3,813.77-5,256.86-2,692.93

Finding the Fourth Proportional to 3,813.77, 5,256.86 and 2,692.93

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Solution

The fourth proportional to 3,813.77, 5,256.86 and 2,692.93 is: 3,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.77 : 5,256.86 = 2,692.93 : x
  2. Step 2: Convert to fraction form
    3,813.77/5,256.86 = 2,692.93/x
  3. Step 3: Cross multiply
    3,813.77x = 5,256.86 × 2,692.93
  4. Step 4: Simplify right side
    3,813.77x = 14,156,356.00
  5. Step 5: Solve for x
    x = 14,156,356.00/3,813.77
  6. Step 6: Final answer
    x = 3,711.91

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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.