Home / 7,630.40-10,533.56-5,742.72

Finding the Fourth Proportional to 7,630.40, 10,533.56 and 5,742.72

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Solution

The fourth proportional to 7,630.40, 10,533.56 and 5,742.72 is: 7,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.40 : 10,533.56 = 5,742.72 : x
  2. Step 2: Convert to fraction form
    7,630.40/10,533.56 = 5,742.72/x
  3. Step 3: Cross multiply
    7,630.40x = 10,533.56 × 5,742.72
  4. Step 4: Simplify right side
    7,630.40x = 60,491,285.68
  5. Step 5: Solve for x
    x = 60,491,285.68/7,630.40
  6. Step 6: Final answer
    x = 7,927.67

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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.