Home / 7,542.08-10,404.60-4,556.72

Finding the Fourth Proportional to 7,542.08, 10,404.60 and 4,556.72

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Solution

The fourth proportional to 7,542.08, 10,404.60 and 4,556.72 is: 6,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.08 : 10,404.60 = 4,556.72 : x
  2. Step 2: Convert to fraction form
    7,542.08/10,404.60 = 4,556.72/x
  3. Step 3: Cross multiply
    7,542.08x = 10,404.60 × 4,556.72
  4. Step 4: Simplify right side
    7,542.08x = 47,410,848.91
  5. Step 5: Solve for x
    x = 47,410,848.91/7,542.08
  6. Step 6: Final answer
    x = 6,286.18

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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.