Home / 5,396.22-7,446.74-3,038.40

Finding the Fourth Proportional to 5,396.22, 7,446.74 and 3,038.40

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Solution

The fourth proportional to 5,396.22, 7,446.74 and 3,038.40 is: 4,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.22 : 7,446.74 = 3,038.40 : x
  2. Step 2: Convert to fraction form
    5,396.22/7,446.74 = 3,038.40/x
  3. Step 3: Cross multiply
    5,396.22x = 7,446.74 × 3,038.40
  4. Step 4: Simplify right side
    5,396.22x = 22,626,159.62
  5. Step 5: Solve for x
    x = 22,626,159.62/5,396.22
  6. Step 6: Final answer
    x = 4,192.96

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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.