Home / 4,152.68-5,717.81-3,621.59

Finding the Fourth Proportional to 4,152.68, 5,717.81 and 3,621.59

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Solution

The fourth proportional to 4,152.68, 5,717.81 and 3,621.59 is: 4,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.68 : 5,717.81 = 3,621.59 : x
  2. Step 2: Convert to fraction form
    4,152.68/5,717.81 = 3,621.59/x
  3. Step 3: Cross multiply
    4,152.68x = 5,717.81 × 3,621.59
  4. Step 4: Simplify right side
    4,152.68x = 20,707,572.79
  5. Step 5: Solve for x
    x = 20,707,572.79/4,152.68
  6. Step 6: Final answer
    x = 4,986.56

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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.