Home / 3,749.04-5,172.39-2,492.46

Finding the Fourth Proportional to 3,749.04, 5,172.39 and 2,492.46

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Solution

The fourth proportional to 3,749.04, 5,172.39 and 2,492.46 is: 3,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.04 : 5,172.39 = 2,492.46 : x
  2. Step 2: Convert to fraction form
    3,749.04/5,172.39 = 2,492.46/x
  3. Step 3: Cross multiply
    3,749.04x = 5,172.39 × 2,492.46
  4. Step 4: Simplify right side
    3,749.04x = 12,891,975.18
  5. Step 5: Solve for x
    x = 12,891,975.18/3,749.04
  6. Step 6: Final answer
    x = 3,438.74

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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.