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Finding the Fourth Proportional to 3,866.16, 5,801.61 and 1,525.76

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Solution

The fourth proportional to 3,866.16, 5,801.61 and 1,525.76 is: 2,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.16 : 5,801.61 = 1,525.76 : x
  2. Step 2: Convert to fraction form
    3,866.16/5,801.61 = 1,525.76/x
  3. Step 3: Cross multiply
    3,866.16x = 5,801.61 × 1,525.76
  4. Step 4: Simplify right side
    3,866.16x = 8,851,877.11
  5. Step 5: Solve for x
    x = 8,851,877.11/3,866.16
  6. Step 6: Final answer
    x = 2,289.58

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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.