Home / 4,705.74-7,056.96-1,931.63

Finding the Fourth Proportional to 4,705.74, 7,056.96 and 1,931.63

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Solution

The fourth proportional to 4,705.74, 7,056.96 and 1,931.63 is: 2,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.74 : 7,056.96 = 1,931.63 : x
  2. Step 2: Convert to fraction form
    4,705.74/7,056.96 = 1,931.63/x
  3. Step 3: Cross multiply
    4,705.74x = 7,056.96 × 1,931.63
  4. Step 4: Simplify right side
    4,705.74x = 13,631,400.36
  5. Step 5: Solve for x
    x = 13,631,400.36/4,705.74
  6. Step 6: Final answer
    x = 2,896.76

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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.