Home / 3,312.10-4,961.23-1,558.58

Finding the Fourth Proportional to 3,312.10, 4,961.23 and 1,558.58

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Solution

The fourth proportional to 3,312.10, 4,961.23 and 1,558.58 is: 2,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.10 : 4,961.23 = 1,558.58 : x
  2. Step 2: Convert to fraction form
    3,312.10/4,961.23 = 1,558.58/x
  3. Step 3: Cross multiply
    3,312.10x = 4,961.23 × 1,558.58
  4. Step 4: Simplify right side
    3,312.10x = 7,732,482.36
  5. Step 5: Solve for x
    x = 7,732,482.36/3,312.10
  6. Step 6: Final answer
    x = 2,334.62

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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.