Home / 2,120.04-2,925.60-1,175.82

Finding the Fourth Proportional to 2,120.04, 2,925.60 and 1,175.82

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Solution

The fourth proportional to 2,120.04, 2,925.60 and 1,175.82 is: 1,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120.04 : 2,925.60 = 1,175.82 : x
  2. Step 2: Convert to fraction form
    2,120.04/2,925.60 = 1,175.82/x
  3. Step 3: Cross multiply
    2,120.04x = 2,925.60 × 1,175.82
  4. Step 4: Simplify right side
    2,120.04x = 3,439,978.99
  5. Step 5: Solve for x
    x = 3,439,978.99/2,120.04
  6. Step 6: Final answer
    x = 1,622.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.