Home / 4,088.40-6,136.20-3,505.20

Finding the Fourth Proportional to 4,088.40, 6,136.20 and 3,505.20

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Solution

The fourth proportional to 4,088.40, 6,136.20 and 3,505.20 is: 5,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.40 : 6,136.20 = 3,505.20 : x
  2. Step 2: Convert to fraction form
    4,088.40/6,136.20 = 3,505.20/x
  3. Step 3: Cross multiply
    4,088.40x = 6,136.20 × 3,505.20
  4. Step 4: Simplify right side
    4,088.40x = 21,508,608.24
  5. Step 5: Solve for x
    x = 21,508,608.24/4,088.40
  6. Step 6: Final answer
    x = 5,260.89

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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.