Home / 5,023.40-7,529.70-1,902.20

Finding the Fourth Proportional to 5,023.40, 7,529.70 and 1,902.20

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Solution

The fourth proportional to 5,023.40, 7,529.70 and 1,902.20 is: 2,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,023.40 : 7,529.70 = 1,902.20 : x
  2. Step 2: Convert to fraction form
    5,023.40/7,529.70 = 1,902.20/x
  3. Step 3: Cross multiply
    5,023.40x = 7,529.70 × 1,902.20
  4. Step 4: Simplify right side
    5,023.40x = 14,322,995.34
  5. Step 5: Solve for x
    x = 14,322,995.34/5,023.40
  6. Step 6: Final answer
    x = 2,851.26

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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.