Home / 4,744.32-7,116.56-1,970.96

Finding the Fourth Proportional to 4,744.32, 7,116.56 and 1,970.96

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Solution

The fourth proportional to 4,744.32, 7,116.56 and 1,970.96 is: 2,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.32 : 7,116.56 = 1,970.96 : x
  2. Step 2: Convert to fraction form
    4,744.32/7,116.56 = 1,970.96/x
  3. Step 3: Cross multiply
    4,744.32x = 7,116.56 × 1,970.96
  4. Step 4: Simplify right side
    4,744.32x = 14,026,455.10
  5. Step 5: Solve for x
    x = 14,026,455.10/4,744.32
  6. Step 6: Final answer
    x = 2,956.47

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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.