Home / 5,276.03-7,280.69-2,885.94

Finding the Fourth Proportional to 5,276.03, 7,280.69 and 2,885.94

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Solution

The fourth proportional to 5,276.03, 7,280.69 and 2,885.94 is: 3,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.03 : 7,280.69 = 2,885.94 : x
  2. Step 2: Convert to fraction form
    5,276.03/7,280.69 = 2,885.94/x
  3. Step 3: Cross multiply
    5,276.03x = 7,280.69 × 2,885.94
  4. Step 4: Simplify right side
    5,276.03x = 21,011,620.07
  5. Step 5: Solve for x
    x = 21,011,620.07/5,276.03
  6. Step 6: Final answer
    x = 3,982.47

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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.