Home / 5,088.08-7,022.13-3,099.80

Finding the Fourth Proportional to 5,088.08, 7,022.13 and 3,099.80

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Solution

The fourth proportional to 5,088.08, 7,022.13 and 3,099.80 is: 4,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.08 : 7,022.13 = 3,099.80 : x
  2. Step 2: Convert to fraction form
    5,088.08/7,022.13 = 3,099.80/x
  3. Step 3: Cross multiply
    5,088.08x = 7,022.13 × 3,099.80
  4. Step 4: Simplify right side
    5,088.08x = 21,767,198.57
  5. Step 5: Solve for x
    x = 21,767,198.57/5,088.08
  6. Step 6: Final answer
    x = 4,278.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.