Home / 1,888.91-2,605.36-1,181.14

Finding the Fourth Proportional to 1,888.91, 2,605.36 and 1,181.14

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Solution

The fourth proportional to 1,888.91, 2,605.36 and 1,181.14 is: 1,629.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.91 : 2,605.36 = 1,181.14 : x
  2. Step 2: Convert to fraction form
    1,888.91/2,605.36 = 1,181.14/x
  3. Step 3: Cross multiply
    1,888.91x = 2,605.36 × 1,181.14
  4. Step 4: Simplify right side
    1,888.91x = 3,077,294.91
  5. Step 5: Solve for x
    x = 3,077,294.91/1,888.91
  6. Step 6: Final answer
    x = 1,629.14

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1.5x scale

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.