Home / 5,428.56-7,493.40-4,244.88

Finding the Fourth Proportional to 5,428.56, 7,493.40 and 4,244.88

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Solution

The fourth proportional to 5,428.56, 7,493.40 and 4,244.88 is: 5,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.56 : 7,493.40 = 4,244.88 : x
  2. Step 2: Convert to fraction form
    5,428.56/7,493.40 = 4,244.88/x
  3. Step 3: Cross multiply
    5,428.56x = 7,493.40 × 4,244.88
  4. Step 4: Simplify right side
    5,428.56x = 31,808,583.79
  5. Step 5: Solve for x
    x = 31,808,583.79/5,428.56
  6. Step 6: Final answer
    x = 5,859.49

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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.