Home / 1,839.55-2,538.66-1,176.34

Finding the Fourth Proportional to 1,839.55, 2,538.66 and 1,176.34

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Solution

The fourth proportional to 1,839.55, 2,538.66 and 1,176.34 is: 1,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.55 : 2,538.66 = 1,176.34 : x
  2. Step 2: Convert to fraction form
    1,839.55/2,538.66 = 1,176.34/x
  3. Step 3: Cross multiply
    1,839.55x = 2,538.66 × 1,176.34
  4. Step 4: Simplify right side
    1,839.55x = 2,986,327.30
  5. Step 5: Solve for x
    x = 2,986,327.30/1,839.55
  6. Step 6: Final answer
    x = 1,623.40

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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.