Home / 5,281.49-7,288.58-2,923.62

Finding the Fourth Proportional to 5,281.49, 7,288.58 and 2,923.62

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Solution

The fourth proportional to 5,281.49, 7,288.58 and 2,923.62 is: 4,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.49 : 7,288.58 = 2,923.62 : x
  2. Step 2: Convert to fraction form
    5,281.49/7,288.58 = 2,923.62/x
  3. Step 3: Cross multiply
    5,281.49x = 7,288.58 × 2,923.62
  4. Step 4: Simplify right side
    5,281.49x = 21,309,023.64
  5. Step 5: Solve for x
    x = 21,309,023.64/5,281.49
  6. Step 6: Final answer
    x = 4,034.67

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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.