Home / 4,109.72-6,164.58-1,188.02

Finding the Fourth Proportional to 4,109.72, 6,164.58 and 1,188.02

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Solution

The fourth proportional to 4,109.72, 6,164.58 and 1,188.02 is: 1,782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.72 : 6,164.58 = 1,188.02 : x
  2. Step 2: Convert to fraction form
    4,109.72/6,164.58 = 1,188.02/x
  3. Step 3: Cross multiply
    4,109.72x = 6,164.58 × 1,188.02
  4. Step 4: Simplify right side
    4,109.72x = 7,323,659.74
  5. Step 5: Solve for x
    x = 7,323,659.74/4,109.72
  6. Step 6: Final answer
    x = 1,782.03

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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.