Home / 1,895.68-2,616-1,109.76

Finding the Fourth Proportional to 1,895.68, 2,616 and 1,109.76

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Solution

The fourth proportional to 1,895.68, 2,616 and 1,109.76 is: 1,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.68 : 2,616 = 1,109.76 : x
  2. Step 2: Convert to fraction form
    1,895.68/2,616 = 1,109.76/x
  3. Step 3: Cross multiply
    1,895.68x = 2,616 × 1,109.76
  4. Step 4: Simplify right side
    1,895.68x = 2,903,132.16
  5. Step 5: Solve for x
    x = 2,903,132.16/1,895.68
  6. Step 6: Final answer
    x = 1,531.45

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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.