Home / 5,622.08-8,420.64-4,523.68

Finding the Fourth Proportional to 5,622.08, 8,420.64 and 4,523.68

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Solution

The fourth proportional to 5,622.08, 8,420.64 and 4,523.68 is: 6,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.08 : 8,420.64 = 4,523.68 : x
  2. Step 2: Convert to fraction form
    5,622.08/8,420.64 = 4,523.68/x
  3. Step 3: Cross multiply
    5,622.08x = 8,420.64 × 4,523.68
  4. Step 4: Simplify right side
    5,622.08x = 38,092,280.76
  5. Step 5: Solve for x
    x = 38,092,280.76/5,622.08
  6. Step 6: Final answer
    x = 6,775.48

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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.