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Finding the Fourth Proportional to 2,343.90, 3,515.85 and 883.38

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Solution

The fourth proportional to 2,343.90, 3,515.85 and 883.38 is: 1,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.90 : 3,515.85 = 883.38 : x
  2. Step 2: Convert to fraction form
    2,343.90/3,515.85 = 883.38/x
  3. Step 3: Cross multiply
    2,343.90x = 3,515.85 × 883.38
  4. Step 4: Simplify right side
    2,343.90x = 3,105,831.57
  5. Step 5: Solve for x
    x = 3,105,831.57/2,343.90
  6. Step 6: Final answer
    x = 1,325.07

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Similar ratio
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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.