Home / 2,715.96-3,748.14-1,668.36

Finding the Fourth Proportional to 2,715.96, 3,748.14 and 1,668.36

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Solution

The fourth proportional to 2,715.96, 3,748.14 and 1,668.36 is: 2,302.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.96 : 3,748.14 = 1,668.36 : x
  2. Step 2: Convert to fraction form
    2,715.96/3,748.14 = 1,668.36/x
  3. Step 3: Cross multiply
    2,715.96x = 3,748.14 × 1,668.36
  4. Step 4: Simplify right side
    2,715.96x = 6,253,246.85
  5. Step 5: Solve for x
    x = 6,253,246.85/2,715.96
  6. Step 6: Final answer
    x = 2,302.41

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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.