Home / 5,396.76-7,447.29-3,038.82

Finding the Fourth Proportional to 5,396.76, 7,447.29 and 3,038.82

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Solution

The fourth proportional to 5,396.76, 7,447.29 and 3,038.82 is: 4,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.76 : 7,447.29 = 3,038.82 : x
  2. Step 2: Convert to fraction form
    5,396.76/7,447.29 = 3,038.82/x
  3. Step 3: Cross multiply
    5,396.76x = 7,447.29 × 3,038.82
  4. Step 4: Simplify right side
    5,396.76x = 22,630,973.80
  5. Step 5: Solve for x
    x = 22,630,973.80/5,396.76
  6. Step 6: Final answer
    x = 4,193.44

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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.