Home / 5,528.56-7,621.92-3,953.92

Finding the Fourth Proportional to 5,528.56, 7,621.92 and 3,953.92

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Solution

The fourth proportional to 5,528.56, 7,621.92 and 3,953.92 is: 5,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.56 : 7,621.92 = 3,953.92 : x
  2. Step 2: Convert to fraction form
    5,528.56/7,621.92 = 3,953.92/x
  3. Step 3: Cross multiply
    5,528.56x = 7,621.92 × 3,953.92
  4. Step 4: Simplify right side
    5,528.56x = 30,136,461.93
  5. Step 5: Solve for x
    x = 30,136,461.93/5,528.56
  6. Step 6: Final answer
    x = 5,451.05

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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.