Home / 7,573.40-10,450.22-4,215.75

Finding the Fourth Proportional to 7,573.40, 10,450.22 and 4,215.75

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Solution

The fourth proportional to 7,573.40, 10,450.22 and 4,215.75 is: 5,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.40 : 10,450.22 = 4,215.75 : x
  2. Step 2: Convert to fraction form
    7,573.40/10,450.22 = 4,215.75/x
  3. Step 3: Cross multiply
    7,573.40x = 10,450.22 × 4,215.75
  4. Step 4: Simplify right side
    7,573.40x = 44,055,454.70
  5. Step 5: Solve for x
    x = 44,055,454.70/7,573.40
  6. Step 6: Final answer
    x = 5,817.13

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Half scale
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Double scale
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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.