Home / 4,085.54-5,638.17-2,316.98

Finding the Fourth Proportional to 4,085.54, 5,638.17 and 2,316.98

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Solution

The fourth proportional to 4,085.54, 5,638.17 and 2,316.98 is: 3,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.54 : 5,638.17 = 2,316.98 : x
  2. Step 2: Convert to fraction form
    4,085.54/5,638.17 = 2,316.98/x
  3. Step 3: Cross multiply
    4,085.54x = 5,638.17 × 2,316.98
  4. Step 4: Simplify right side
    4,085.54x = 13,063,527.13
  5. Step 5: Solve for x
    x = 13,063,527.13/4,085.54
  6. Step 6: Final answer
    x = 3,197.50

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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.