Home / 5,281.74-7,289.58-3,294.42

Finding the Fourth Proportional to 5,281.74, 7,289.58 and 3,294.42

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Solution

The fourth proportional to 5,281.74, 7,289.58 and 3,294.42 is: 4,546.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.74 : 7,289.58 = 3,294.42 : x
  2. Step 2: Convert to fraction form
    5,281.74/7,289.58 = 3,294.42/x
  3. Step 3: Cross multiply
    5,281.74x = 7,289.58 × 3,294.42
  4. Step 4: Simplify right side
    5,281.74x = 24,014,938.14
  5. Step 5: Solve for x
    x = 24,014,938.14/5,281.74
  6. Step 6: Final answer
    x = 4,546.79

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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.