Home / 5,281.99-7,288.38-2,924.12

Finding the Fourth Proportional to 5,281.99, 7,288.38 and 2,924.12

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Solution

The fourth proportional to 5,281.99, 7,288.38 and 2,924.12 is: 4,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.99 : 7,288.38 = 2,924.12 : x
  2. Step 2: Convert to fraction form
    5,281.99/7,288.38 = 2,924.12/x
  3. Step 3: Cross multiply
    5,281.99x = 7,288.38 × 2,924.12
  4. Step 4: Simplify right side
    5,281.99x = 21,312,115.95
  5. Step 5: Solve for x
    x = 21,312,115.95/5,281.99
  6. Step 6: Final answer
    x = 4,034.87

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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.