Home / 1,839.64-2,537.58-1,314.76

Finding the Fourth Proportional to 1,839.64, 2,537.58 and 1,314.76

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Solution

The fourth proportional to 1,839.64, 2,537.58 and 1,314.76 is: 1,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.64 : 2,537.58 = 1,314.76 : x
  2. Step 2: Convert to fraction form
    1,839.64/2,537.58 = 1,314.76/x
  3. Step 3: Cross multiply
    1,839.64x = 2,537.58 × 1,314.76
  4. Step 4: Simplify right side
    1,839.64x = 3,336,308.68
  5. Step 5: Solve for x
    x = 3,336,308.68/1,839.64
  6. Step 6: Final answer
    x = 1,813.57

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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.