Home / 5,283.45-7,290.65-3,158.56

Finding the Fourth Proportional to 5,283.45, 7,290.65 and 3,158.56

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Solution

The fourth proportional to 5,283.45, 7,290.65 and 3,158.56 is: 4,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.45 : 7,290.65 = 3,158.56 : x
  2. Step 2: Convert to fraction form
    5,283.45/7,290.65 = 3,158.56/x
  3. Step 3: Cross multiply
    5,283.45x = 7,290.65 × 3,158.56
  4. Step 4: Simplify right side
    5,283.45x = 23,027,955.46
  5. Step 5: Solve for x
    x = 23,027,955.46/5,283.45
  6. Step 6: Final answer
    x = 4,358.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.