Home / 3,415.08-4,711.38-2,088.36

Finding the Fourth Proportional to 3,415.08, 4,711.38 and 2,088.36

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Solution

The fourth proportional to 3,415.08, 4,711.38 and 2,088.36 is: 2,881.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.08 : 4,711.38 = 2,088.36 : x
  2. Step 2: Convert to fraction form
    3,415.08/4,711.38 = 2,088.36/x
  3. Step 3: Cross multiply
    3,415.08x = 4,711.38 × 2,088.36
  4. Step 4: Simplify right side
    3,415.08x = 9,839,057.54
  5. Step 5: Solve for x
    x = 9,839,057.54/3,415.08
  6. Step 6: Final answer
    x = 2,881.06

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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.