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Finding the Fourth Proportional to 2,886.07, 4,328.02 and 937.75

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Solution

The fourth proportional to 2,886.07, 4,328.02 and 937.75 is: 1,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.07 : 4,328.02 = 937.75 : x
  2. Step 2: Convert to fraction form
    2,886.07/4,328.02 = 937.75/x
  3. Step 3: Cross multiply
    2,886.07x = 4,328.02 × 937.75
  4. Step 4: Simplify right side
    2,886.07x = 4,058,600.76
  5. Step 5: Solve for x
    x = 4,058,600.76/2,886.07
  6. Step 6: Final answer
    x = 1,406.27

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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.