Home / 3,681.79-5,523.69-1,492.05

Finding the Fourth Proportional to 3,681.79, 5,523.69 and 1,492.05

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Solution

The fourth proportional to 3,681.79, 5,523.69 and 1,492.05 is: 2,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.79 : 5,523.69 = 1,492.05 : x
  2. Step 2: Convert to fraction form
    3,681.79/5,523.69 = 1,492.05/x
  3. Step 3: Cross multiply
    3,681.79x = 5,523.69 × 1,492.05
  4. Step 4: Simplify right side
    3,681.79x = 8,241,647.97
  5. Step 5: Solve for x
    x = 8,241,647.97/3,681.79
  6. Step 6: Final answer
    x = 2,238.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.