Home / 4,883.49-7,325.78-1,421.01

Finding the Fourth Proportional to 4,883.49, 7,325.78 and 1,421.01

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Solution

The fourth proportional to 4,883.49, 7,325.78 and 1,421.01 is: 2,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.49 : 7,325.78 = 1,421.01 : x
  2. Step 2: Convert to fraction form
    4,883.49/7,325.78 = 1,421.01/x
  3. Step 3: Cross multiply
    4,883.49x = 7,325.78 × 1,421.01
  4. Step 4: Simplify right side
    4,883.49x = 10,409,999.53
  5. Step 5: Solve for x
    x = 10,409,999.53/4,883.49
  6. Step 6: Final answer
    x = 2,131.67

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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.