Home / 5,284.07-7,928.31-2,320.98

Finding the Fourth Proportional to 5,284.07, 7,928.31 and 2,320.98

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Solution

The fourth proportional to 5,284.07, 7,928.31 and 2,320.98 is: 3,482.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.07 : 7,928.31 = 2,320.98 : x
  2. Step 2: Convert to fraction form
    5,284.07/7,928.31 = 2,320.98/x
  3. Step 3: Cross multiply
    5,284.07x = 7,928.31 × 2,320.98
  4. Step 4: Simplify right side
    5,284.07x = 18,401,448.94
  5. Step 5: Solve for x
    x = 18,401,448.94/5,284.07
  6. Step 6: Final answer
    x = 3,482.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.