Home / 3,476.59-5,215.79-1,011.35

Finding the Fourth Proportional to 3,476.59, 5,215.79 and 1,011.35

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Solution

The fourth proportional to 3,476.59, 5,215.79 and 1,011.35 is: 1,517.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.59 : 5,215.79 = 1,011.35 : x
  2. Step 2: Convert to fraction form
    3,476.59/5,215.79 = 1,011.35/x
  3. Step 3: Cross multiply
    3,476.59x = 5,215.79 × 1,011.35
  4. Step 4: Simplify right side
    3,476.59x = 5,275,004.78
  5. Step 5: Solve for x
    x = 5,275,004.78/3,476.59
  6. Step 6: Final answer
    x = 1,517.29

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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.