Home / 7,575.58-10,454.61-4,218.18

Finding the Fourth Proportional to 7,575.58, 10,454.61 and 4,218.18

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Solution

The fourth proportional to 7,575.58, 10,454.61 and 4,218.18 is: 5,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.58 : 10,454.61 = 4,218.18 : x
  2. Step 2: Convert to fraction form
    7,575.58/10,454.61 = 4,218.18/x
  3. Step 3: Cross multiply
    7,575.58x = 10,454.61 × 4,218.18
  4. Step 4: Simplify right side
    7,575.58x = 44,099,452.95
  5. Step 5: Solve for x
    x = 44,099,452.95/7,575.58
  6. Step 6: Final answer
    x = 5,821.26

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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.