Home / 2,830.42-3,904.50-1,650.52

Finding the Fourth Proportional to 2,830.42, 3,904.50 and 1,650.52

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Solution

The fourth proportional to 2,830.42, 3,904.50 and 1,650.52 is: 2,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.42 : 3,904.50 = 1,650.52 : x
  2. Step 2: Convert to fraction form
    2,830.42/3,904.50 = 1,650.52/x
  3. Step 3: Cross multiply
    2,830.42x = 3,904.50 × 1,650.52
  4. Step 4: Simplify right side
    2,830.42x = 6,444,455.34
  5. Step 5: Solve for x
    x = 6,444,455.34/2,830.42
  6. Step 6: Final answer
    x = 2,276.85

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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.