Home / 7,575.12-10,453.57-4,217.84

Finding the Fourth Proportional to 7,575.12, 10,453.57 and 4,217.84

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Solution

The fourth proportional to 7,575.12, 10,453.57 and 4,217.84 is: 5,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.12 : 10,453.57 = 4,217.84 : x
  2. Step 2: Convert to fraction form
    7,575.12/10,453.57 = 4,217.84/x
  3. Step 3: Cross multiply
    7,575.12x = 10,453.57 × 4,217.84
  4. Step 4: Simplify right side
    7,575.12x = 44,091,464.60
  5. Step 5: Solve for x
    x = 44,091,464.60/7,575.12
  6. Step 6: Final answer
    x = 5,820.57

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Half 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.