Home / 1,926.34-2,887.43-1,259.45

Finding the Fourth Proportional to 1,926.34, 2,887.43 and 1,259.45

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Solution

The fourth proportional to 1,926.34, 2,887.43 and 1,259.45 is: 1,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.34 : 2,887.43 = 1,259.45 : x
  2. Step 2: Convert to fraction form
    1,926.34/2,887.43 = 1,259.45/x
  3. Step 3: Cross multiply
    1,926.34x = 2,887.43 × 1,259.45
  4. Step 4: Simplify right side
    1,926.34x = 3,636,573.71
  5. Step 5: Solve for x
    x = 3,636,573.71/1,926.34
  6. Step 6: Final answer
    x = 1,887.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.