Home / 2,476.91-3,416.17-2,105.12

Finding the Fourth Proportional to 2,476.91, 3,416.17 and 2,105.12

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Solution

The fourth proportional to 2,476.91, 3,416.17 and 2,105.12 is: 2,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.91 : 3,416.17 = 2,105.12 : x
  2. Step 2: Convert to fraction form
    2,476.91/3,416.17 = 2,105.12/x
  3. Step 3: Cross multiply
    2,476.91x = 3,416.17 × 2,105.12
  4. Step 4: Simplify right side
    2,476.91x = 7,191,437.26
  5. Step 5: Solve for x
    x = 7,191,437.26/2,476.91
  6. Step 6: Final answer
    x = 2,903.39

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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.