Home / 1,896.74-2,842.53-1,117.10

Finding the Fourth Proportional to 1,896.74, 2,842.53 and 1,117.10

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Solution

The fourth proportional to 1,896.74, 2,842.53 and 1,117.10 is: 1,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.74 : 2,842.53 = 1,117.10 : x
  2. Step 2: Convert to fraction form
    1,896.74/2,842.53 = 1,117.10/x
  3. Step 3: Cross multiply
    1,896.74x = 2,842.53 × 1,117.10
  4. Step 4: Simplify right side
    1,896.74x = 3,175,390.26
  5. Step 5: Solve for x
    x = 3,175,390.26/1,896.74
  6. Step 6: Final answer
    x = 1,674.13

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Why These Related Problems?

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