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Finding the Fourth Proportional to 1,885.97, 2,602.94 and 1,140.03

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Solution

The fourth proportional to 1,885.97, 2,602.94 and 1,140.03 is: 1,573.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.97 : 2,602.94 = 1,140.03 : x
  2. Step 2: Convert to fraction form
    1,885.97/2,602.94 = 1,140.03/x
  3. Step 3: Cross multiply
    1,885.97x = 2,602.94 × 1,140.03
  4. Step 4: Simplify right side
    1,885.97x = 2,967,423.99
  5. Step 5: Solve for x
    x = 2,967,423.99/1,885.97
  6. Step 6: Final answer
    x = 1,573.42

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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.