Home / 3,765.76-5,196.96-2,587.36

Finding the Fourth Proportional to 3,765.76, 5,196.96 and 2,587.36

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Solution

The fourth proportional to 3,765.76, 5,196.96 and 2,587.36 is: 3,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.76 : 5,196.96 = 2,587.36 : x
  2. Step 2: Convert to fraction form
    3,765.76/5,196.96 = 2,587.36/x
  3. Step 3: Cross multiply
    3,765.76x = 5,196.96 × 2,587.36
  4. Step 4: Simplify right side
    3,765.76x = 13,446,406.43
  5. Step 5: Solve for x
    x = 13,446,406.43/3,765.76
  6. Step 6: Final answer
    x = 3,570.70

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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.