Home / 4,085.49-5,638.11-2,317.05

Finding the Fourth Proportional to 4,085.49, 5,638.11 and 2,317.05

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Solution

The fourth proportional to 4,085.49, 5,638.11 and 2,317.05 is: 3,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.49 : 5,638.11 = 2,317.05 : x
  2. Step 2: Convert to fraction form
    4,085.49/5,638.11 = 2,317.05/x
  3. Step 3: Cross multiply
    4,085.49x = 5,638.11 × 2,317.05
  4. Step 4: Simplify right side
    4,085.49x = 13,063,782.78
  5. Step 5: Solve for x
    x = 13,063,782.78/4,085.49
  6. Step 6: Final answer
    x = 3,197.60

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Double scale
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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.