Home / 7,575.05-10,453.59-4,218.52

Finding the Fourth Proportional to 7,575.05, 10,453.59 and 4,218.52

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Solution

The fourth proportional to 7,575.05, 10,453.59 and 4,218.52 is: 5,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.05 : 10,453.59 = 4,218.52 : x
  2. Step 2: Convert to fraction form
    7,575.05/10,453.59 = 4,218.52/x
  3. Step 3: Cross multiply
    7,575.05x = 10,453.59 × 4,218.52
  4. Step 4: Simplify right side
    7,575.05x = 44,098,624.84
  5. Step 5: Solve for x
    x = 44,098,624.84/7,575.05
  6. Step 6: Final answer
    x = 5,821.56

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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.