Home / 4,085.49-5,636.79-2,317.08

Finding the Fourth Proportional to 4,085.49, 5,636.79 and 2,317.08

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Solution

The fourth proportional to 4,085.49, 5,636.79 and 2,317.08 is: 3,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.49 : 5,636.79 = 2,317.08 : x
  2. Step 2: Convert to fraction form
    4,085.49/5,636.79 = 2,317.08/x
  3. Step 3: Cross multiply
    4,085.49x = 5,636.79 × 2,317.08
  4. Step 4: Simplify right side
    4,085.49x = 13,060,893.37
  5. Step 5: Solve for x
    x = 13,060,893.37/4,085.49
  6. Step 6: Final answer
    x = 3,196.90

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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.