Home / 5,222.84-7,206.18-3,125.48

Finding the Fourth Proportional to 5,222.84, 7,206.18 and 3,125.48

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Solution

The fourth proportional to 5,222.84, 7,206.18 and 3,125.48 is: 4,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.84 : 7,206.18 = 3,125.48 : x
  2. Step 2: Convert to fraction form
    5,222.84/7,206.18 = 3,125.48/x
  3. Step 3: Cross multiply
    5,222.84x = 7,206.18 × 3,125.48
  4. Step 4: Simplify right side
    5,222.84x = 22,522,771.47
  5. Step 5: Solve for x
    x = 22,522,771.47/5,222.84
  6. Step 6: Final answer
    x = 4,312.36

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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.