Home / 3,116.52-4,675.32-1,036.80

Finding the Fourth Proportional to 3,116.52, 4,675.32 and 1,036.80

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Solution

The fourth proportional to 3,116.52, 4,675.32 and 1,036.80 is: 1,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.52 : 4,675.32 = 1,036.80 : x
  2. Step 2: Convert to fraction form
    3,116.52/4,675.32 = 1,036.80/x
  3. Step 3: Cross multiply
    3,116.52x = 4,675.32 × 1,036.80
  4. Step 4: Simplify right side
    3,116.52x = 4,847,371.78
  5. Step 5: Solve for x
    x = 4,847,371.78/3,116.52
  6. Step 6: Final answer
    x = 1,555.38

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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.