Home / 1,881.93-2,598.36-1,439.06

Finding the Fourth Proportional to 1,881.93, 2,598.36 and 1,439.06

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Solution

The fourth proportional to 1,881.93, 2,598.36 and 1,439.06 is: 1,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.93 : 2,598.36 = 1,439.06 : x
  2. Step 2: Convert to fraction form
    1,881.93/2,598.36 = 1,439.06/x
  3. Step 3: Cross multiply
    1,881.93x = 2,598.36 × 1,439.06
  4. Step 4: Simplify right side
    1,881.93x = 3,739,195.94
  5. Step 5: Solve for x
    x = 3,739,195.94/1,881.93
  6. Step 6: Final answer
    x = 1,986.89

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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.