Home / 3,643.12-5,463.53-1,177.35

Finding the Fourth Proportional to 3,643.12, 5,463.53 and 1,177.35

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Solution

The fourth proportional to 3,643.12, 5,463.53 and 1,177.35 is: 1,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.12 : 5,463.53 = 1,177.35 : x
  2. Step 2: Convert to fraction form
    3,643.12/5,463.53 = 1,177.35/x
  3. Step 3: Cross multiply
    3,643.12x = 5,463.53 × 1,177.35
  4. Step 4: Simplify right side
    3,643.12x = 6,432,487.05
  5. Step 5: Solve for x
    x = 6,432,487.05/3,643.12
  6. Step 6: Final answer
    x = 1,765.65

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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.