Home / 3,416.95-4,715.82-2,090.38

Finding the Fourth Proportional to 3,416.95, 4,715.82 and 2,090.38

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Solution

The fourth proportional to 3,416.95, 4,715.82 and 2,090.38 is: 2,884.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.95 : 4,715.82 = 2,090.38 : x
  2. Step 2: Convert to fraction form
    3,416.95/4,715.82 = 2,090.38/x
  3. Step 3: Cross multiply
    3,416.95x = 4,715.82 × 2,090.38
  4. Step 4: Simplify right side
    3,416.95x = 9,857,855.81
  5. Step 5: Solve for x
    x = 9,857,855.81/3,416.95
  6. Step 6: Final answer
    x = 2,884.99

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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.