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Finding the Fourth Proportional to 3,567.96, 5,352.21 and 970.86

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Solution

The fourth proportional to 3,567.96, 5,352.21 and 970.86 is: 1,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.96 : 5,352.21 = 970.86 : x
  2. Step 2: Convert to fraction form
    3,567.96/5,352.21 = 970.86/x
  3. Step 3: Cross multiply
    3,567.96x = 5,352.21 × 970.86
  4. Step 4: Simplify right side
    3,567.96x = 5,196,246.60
  5. Step 5: Solve for x
    x = 5,196,246.60/3,567.96
  6. Step 6: Final answer
    x = 1,456.36

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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.