Home / 4,130.10-6,195.15-3,984.30

Finding the Fourth Proportional to 4,130.10, 6,195.15 and 3,984.30

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Solution

The fourth proportional to 4,130.10, 6,195.15 and 3,984.30 is: 5,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.10 : 6,195.15 = 3,984.30 : x
  2. Step 2: Convert to fraction form
    4,130.10/6,195.15 = 3,984.30/x
  3. Step 3: Cross multiply
    4,130.10x = 6,195.15 × 3,984.30
  4. Step 4: Simplify right side
    4,130.10x = 24,683,336.15
  5. Step 5: Solve for x
    x = 24,683,336.15/4,130.10
  6. Step 6: Final answer
    x = 5,976.45

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Double scale
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Similar ratio
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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.