Home / 3,875.77-5,348.55-2,197.50

Finding the Fourth Proportional to 3,875.77, 5,348.55 and 2,197.50

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Solution

The fourth proportional to 3,875.77, 5,348.55 and 2,197.50 is: 3,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.77 : 5,348.55 = 2,197.50 : x
  2. Step 2: Convert to fraction form
    3,875.77/5,348.55 = 2,197.50/x
  3. Step 3: Cross multiply
    3,875.77x = 5,348.55 × 2,197.50
  4. Step 4: Simplify right side
    3,875.77x = 11,753,438.63
  5. Step 5: Solve for x
    x = 11,753,438.63/3,875.77
  6. Step 6: Final answer
    x = 3,032.54

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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.