Home / 4,977.10-7,466.46-1,690.48

Finding the Fourth Proportional to 4,977.10, 7,466.46 and 1,690.48

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Solution

The fourth proportional to 4,977.10, 7,466.46 and 1,690.48 is: 2,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.10 : 7,466.46 = 1,690.48 : x
  2. Step 2: Convert to fraction form
    4,977.10/7,466.46 = 1,690.48/x
  3. Step 3: Cross multiply
    4,977.10x = 7,466.46 × 1,690.48
  4. Step 4: Simplify right side
    4,977.10x = 12,621,901.30
  5. Step 5: Solve for x
    x = 12,621,901.30/4,977.10
  6. Step 6: Final answer
    x = 2,536.00

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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.