Home / 4,109.40-6,177.74-3,805.02

Finding the Fourth Proportional to 4,109.40, 6,177.74 and 3,805.02

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Solution

The fourth proportional to 4,109.40, 6,177.74 and 3,805.02 is: 5,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.40 : 6,177.74 = 3,805.02 : x
  2. Step 2: Convert to fraction form
    4,109.40/6,177.74 = 3,805.02/x
  3. Step 3: Cross multiply
    4,109.40x = 6,177.74 × 3,805.02
  4. Step 4: Simplify right side
    4,109.40x = 23,506,405.23
  5. Step 5: Solve for x
    x = 23,506,405.23/4,109.40
  6. Step 6: Final answer
    x = 5,720.16

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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.