Home / 1,840.19-2,538.42-1,166.77

Finding the Fourth Proportional to 1,840.19, 2,538.42 and 1,166.77

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Solution

The fourth proportional to 1,840.19, 2,538.42 and 1,166.77 is: 1,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.19 : 2,538.42 = 1,166.77 : x
  2. Step 2: Convert to fraction form
    1,840.19/2,538.42 = 1,166.77/x
  3. Step 3: Cross multiply
    1,840.19x = 2,538.42 × 1,166.77
  4. Step 4: Simplify right side
    1,840.19x = 2,961,751.10
  5. Step 5: Solve for x
    x = 2,961,751.10/1,840.19
  6. Step 6: Final answer
    x = 1,609.49

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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.