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Finding the Fourth Proportional to 5,484.28, 8,223.45 and 1,973.74

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Solution

The fourth proportional to 5,484.28, 8,223.45 and 1,973.74 is: 2,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.28 : 8,223.45 = 1,973.74 : x
  2. Step 2: Convert to fraction form
    5,484.28/8,223.45 = 1,973.74/x
  3. Step 3: Cross multiply
    5,484.28x = 8,223.45 × 1,973.74
  4. Step 4: Simplify right side
    5,484.28x = 16,230,952.20
  5. Step 5: Solve for x
    x = 16,230,952.20/5,484.28
  6. Step 6: Final answer
    x = 2,959.54

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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.