Home / 3,688.17-5,533.14-1,091.12

Finding the Fourth Proportional to 3,688.17, 5,533.14 and 1,091.12

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Solution

The fourth proportional to 3,688.17, 5,533.14 and 1,091.12 is: 1,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.17 : 5,533.14 = 1,091.12 : x
  2. Step 2: Convert to fraction form
    3,688.17/5,533.14 = 1,091.12/x
  3. Step 3: Cross multiply
    3,688.17x = 5,533.14 × 1,091.12
  4. Step 4: Simplify right side
    3,688.17x = 6,037,292.05
  5. Step 5: Solve for x
    x = 6,037,292.05/3,688.17
  6. Step 6: Final answer
    x = 1,636.93

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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.