Home / 7,449.95-10,285.74-4,620.33

Finding the Fourth Proportional to 7,449.95, 10,285.74 and 4,620.33

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Solution

The fourth proportional to 7,449.95, 10,285.74 and 4,620.33 is: 6,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.95 : 10,285.74 = 4,620.33 : x
  2. Step 2: Convert to fraction form
    7,449.95/10,285.74 = 4,620.33/x
  3. Step 3: Cross multiply
    7,449.95x = 10,285.74 × 4,620.33
  4. Step 4: Simplify right side
    7,449.95x = 47,523,513.09
  5. Step 5: Solve for x
    x = 47,523,513.09/7,449.95
  6. Step 6: Final answer
    x = 6,379.04

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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.