Home / 1,841.63-2,539.64-1,178.24

Finding the Fourth Proportional to 1,841.63, 2,539.64 and 1,178.24

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Solution

The fourth proportional to 1,841.63, 2,539.64 and 1,178.24 is: 1,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.63 : 2,539.64 = 1,178.24 : x
  2. Step 2: Convert to fraction form
    1,841.63/2,539.64 = 1,178.24/x
  3. Step 3: Cross multiply
    1,841.63x = 2,539.64 × 1,178.24
  4. Step 4: Simplify right side
    1,841.63x = 2,992,295.68
  5. Step 5: Solve for x
    x = 2,992,295.68/1,841.63
  6. Step 6: Final answer
    x = 1,624.81

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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.