Home / 4,883.32-7,325.70-1,420.84

Finding the Fourth Proportional to 4,883.32, 7,325.70 and 1,420.84

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Solution

The fourth proportional to 4,883.32, 7,325.70 and 1,420.84 is: 2,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.32 : 7,325.70 = 1,420.84 : x
  2. Step 2: Convert to fraction form
    4,883.32/7,325.70 = 1,420.84/x
  3. Step 3: Cross multiply
    4,883.32x = 7,325.70 × 1,420.84
  4. Step 4: Simplify right side
    4,883.32x = 10,408,647.59
  5. Step 5: Solve for x
    x = 10,408,647.59/4,883.32
  6. Step 6: Final answer
    x = 2,131.47

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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.