Home / 5,302.53-7,953.75-4,515.21

Finding the Fourth Proportional to 5,302.53, 7,953.75 and 4,515.21

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Solution

The fourth proportional to 5,302.53, 7,953.75 and 4,515.21 is: 6,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.53 : 7,953.75 = 4,515.21 : x
  2. Step 2: Convert to fraction form
    5,302.53/7,953.75 = 4,515.21/x
  3. Step 3: Cross multiply
    5,302.53x = 7,953.75 × 4,515.21
  4. Step 4: Simplify right side
    5,302.53x = 35,912,851.54
  5. Step 5: Solve for x
    x = 35,912,851.54/5,302.53
  6. Step 6: Final answer
    x = 6,772.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.