Home / 3,749.72-5,624.59-1,152.64

Finding the Fourth Proportional to 3,749.72, 5,624.59 and 1,152.64

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Solution

The fourth proportional to 3,749.72, 5,624.59 and 1,152.64 is: 1,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.72 : 5,624.59 = 1,152.64 : x
  2. Step 2: Convert to fraction form
    3,749.72/5,624.59 = 1,152.64/x
  3. Step 3: Cross multiply
    3,749.72x = 5,624.59 × 1,152.64
  4. Step 4: Simplify right side
    3,749.72x = 6,483,127.42
  5. Step 5: Solve for x
    x = 6,483,127.42/3,749.72
  6. Step 6: Final answer
    x = 1,728.96

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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.