Home / 3,639.17-5,454.19-1,556.73

Finding the Fourth Proportional to 3,639.17, 5,454.19 and 1,556.73

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Solution

The fourth proportional to 3,639.17, 5,454.19 and 1,556.73 is: 2,333.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.17 : 5,454.19 = 1,556.73 : x
  2. Step 2: Convert to fraction form
    3,639.17/5,454.19 = 1,556.73/x
  3. Step 3: Cross multiply
    3,639.17x = 5,454.19 × 1,556.73
  4. Step 4: Simplify right side
    3,639.17x = 8,490,701.20
  5. Step 5: Solve for x
    x = 8,490,701.20/3,639.17
  6. Step 6: Final answer
    x = 2,333.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.