Home / 5,283.85-7,920.90-2,360.56

Finding the Fourth Proportional to 5,283.85, 7,920.90 and 2,360.56

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Solution

The fourth proportional to 5,283.85, 7,920.90 and 2,360.56 is: 3,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.85 : 7,920.90 = 2,360.56 : x
  2. Step 2: Convert to fraction form
    5,283.85/7,920.90 = 2,360.56/x
  3. Step 3: Cross multiply
    5,283.85x = 7,920.90 × 2,360.56
  4. Step 4: Simplify right side
    5,283.85x = 18,697,759.70
  5. Step 5: Solve for x
    x = 18,697,759.70/5,283.85
  6. Step 6: Final answer
    x = 3,538.66

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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.