Home / 4,902.21-7,352.73-1,392.53

Finding the Fourth Proportional to 4,902.21, 7,352.73 and 1,392.53

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Solution

The fourth proportional to 4,902.21, 7,352.73 and 1,392.53 is: 2,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.21 : 7,352.73 = 1,392.53 : x
  2. Step 2: Convert to fraction form
    4,902.21/7,352.73 = 1,392.53/x
  3. Step 3: Cross multiply
    4,902.21x = 7,352.73 × 1,392.53
  4. Step 4: Simplify right side
    4,902.21x = 10,238,860.34
  5. Step 5: Solve for x
    x = 10,238,860.34/4,902.21
  6. Step 6: Final answer
    x = 2,088.62

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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.