Home / 4,109.68-5,673-2,715.76

Finding the Fourth Proportional to 4,109.68, 5,673 and 2,715.76

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Solution

The fourth proportional to 4,109.68, 5,673 and 2,715.76 is: 3,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.68 : 5,673 = 2,715.76 : x
  2. Step 2: Convert to fraction form
    4,109.68/5,673 = 2,715.76/x
  3. Step 3: Cross multiply
    4,109.68x = 5,673 × 2,715.76
  4. Step 4: Simplify right side
    4,109.68x = 15,406,506.48
  5. Step 5: Solve for x
    x = 15,406,506.48/4,109.68
  6. Step 6: Final answer
    x = 3,748.83

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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.