Home / 2,696.48-3,707.68-2,302.80

Finding the Fourth Proportional to 2,696.48, 3,707.68 and 2,302.80

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Solution

The fourth proportional to 2,696.48, 3,707.68 and 2,302.80 is: 3,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.48 : 3,707.68 = 2,302.80 : x
  2. Step 2: Convert to fraction form
    2,696.48/3,707.68 = 2,302.80/x
  3. Step 3: Cross multiply
    2,696.48x = 3,707.68 × 2,302.80
  4. Step 4: Simplify right side
    2,696.48x = 8,538,045.50
  5. Step 5: Solve for x
    x = 8,538,045.50/2,696.48
  6. Step 6: Final answer
    x = 3,166.37

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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.