Home / 7,023.72-10,533.96-3,126

Finding the Fourth Proportional to 7,023.72, 10,533.96 and 3,126

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Solution

The fourth proportional to 7,023.72, 10,533.96 and 3,126 is: 4,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.72 : 10,533.96 = 3,126 : x
  2. Step 2: Convert to fraction form
    7,023.72/10,533.96 = 3,126/x
  3. Step 3: Cross multiply
    7,023.72x = 10,533.96 × 3,126
  4. Step 4: Simplify right side
    7,023.72x = 32,929,158.96
  5. Step 5: Solve for x
    x = 32,929,158.96/7,023.72
  6. Step 6: Final answer
    x = 4,688.28

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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.