Home / 5,455.08-8,186.28-5,435.04

Finding the Fourth Proportional to 5,455.08, 8,186.28 and 5,435.04

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Solution

The fourth proportional to 5,455.08, 8,186.28 and 5,435.04 is: 8,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.08 : 8,186.28 = 5,435.04 : x
  2. Step 2: Convert to fraction form
    5,455.08/8,186.28 = 5,435.04/x
  3. Step 3: Cross multiply
    5,455.08x = 8,186.28 × 5,435.04
  4. Step 4: Simplify right side
    5,455.08x = 44,492,759.25
  5. Step 5: Solve for x
    x = 44,492,759.25/5,455.08
  6. Step 6: Final answer
    x = 8,156.21

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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.