Home / 4,709.96-7,047.30-2,931.56

Finding the Fourth Proportional to 4,709.96, 7,047.30 and 2,931.56

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Solution

The fourth proportional to 4,709.96, 7,047.30 and 2,931.56 is: 4,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.96 : 7,047.30 = 2,931.56 : x
  2. Step 2: Convert to fraction form
    4,709.96/7,047.30 = 2,931.56/x
  3. Step 3: Cross multiply
    4,709.96x = 7,047.30 × 2,931.56
  4. Step 4: Simplify right side
    4,709.96x = 20,659,582.79
  5. Step 5: Solve for x
    x = 20,659,582.79/4,709.96
  6. Step 6: Final answer
    x = 4,386.36

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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.