Home / 2,122.00-2,925.99-1,374.98

Finding the Fourth Proportional to 2,122.00, 2,925.99 and 1,374.98

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Solution

The fourth proportional to 2,122.00, 2,925.99 and 1,374.98 is: 1,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.00 : 2,925.99 = 1,374.98 : x
  2. Step 2: Convert to fraction form
    2,122.00/2,925.99 = 1,374.98/x
  3. Step 3: Cross multiply
    2,122.00x = 2,925.99 × 1,374.98
  4. Step 4: Simplify right side
    2,122.00x = 4,023,163.10
  5. Step 5: Solve for x
    x = 4,023,163.10/2,122.00
  6. Step 6: Final answer
    x = 1,895.93

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Why These Related Problems?

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