Home / 6,174.54-8,515.23-5,281.65

Finding the Fourth Proportional to 6,174.54, 8,515.23 and 5,281.65

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Solution

The fourth proportional to 6,174.54, 8,515.23 and 5,281.65 is: 7,283.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.54 : 8,515.23 = 5,281.65 : x
  2. Step 2: Convert to fraction form
    6,174.54/8,515.23 = 5,281.65/x
  3. Step 3: Cross multiply
    6,174.54x = 8,515.23 × 5,281.65
  4. Step 4: Simplify right side
    6,174.54x = 44,974,499.02
  5. Step 5: Solve for x
    x = 44,974,499.02/6,174.54
  6. Step 6: Final answer
    x = 7,283.86

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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.