Home / 4,749.64-7,125.66-1,975.48

Finding the Fourth Proportional to 4,749.64, 7,125.66 and 1,975.48

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Solution

The fourth proportional to 4,749.64, 7,125.66 and 1,975.48 is: 2,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.64 : 7,125.66 = 1,975.48 : x
  2. Step 2: Convert to fraction form
    4,749.64/7,125.66 = 1,975.48/x
  3. Step 3: Cross multiply
    4,749.64x = 7,125.66 × 1,975.48
  4. Step 4: Simplify right side
    4,749.64x = 14,076,598.82
  5. Step 5: Solve for x
    x = 14,076,598.82/4,749.64
  6. Step 6: Final answer
    x = 2,963.72

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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.