Home / 5,911.84-8,153.58-3,553.48

Finding the Fourth Proportional to 5,911.84, 8,153.58 and 3,553.48

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Solution

The fourth proportional to 5,911.84, 8,153.58 and 3,553.48 is: 4,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.84 : 8,153.58 = 3,553.48 : x
  2. Step 2: Convert to fraction form
    5,911.84/8,153.58 = 3,553.48/x
  3. Step 3: Cross multiply
    5,911.84x = 8,153.58 × 3,553.48
  4. Step 4: Simplify right side
    5,911.84x = 28,973,583.46
  5. Step 5: Solve for x
    x = 28,973,583.46/5,911.84
  6. Step 6: Final answer
    x = 4,900.94

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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.