Home / 3,116.85-4,671.99-1,036.30

Finding the Fourth Proportional to 3,116.85, 4,671.99 and 1,036.30

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Solution

The fourth proportional to 3,116.85, 4,671.99 and 1,036.30 is: 1,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.85 : 4,671.99 = 1,036.30 : x
  2. Step 2: Convert to fraction form
    3,116.85/4,671.99 = 1,036.30/x
  3. Step 3: Cross multiply
    3,116.85x = 4,671.99 × 1,036.30
  4. Step 4: Simplify right side
    3,116.85x = 4,841,554.70
  5. Step 5: Solve for x
    x = 4,841,554.70/3,116.85
  6. Step 6: Final answer
    x = 1,553.35

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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.