Home / 7,556.21-11,335.78-2,875.86

Finding the Fourth Proportional to 7,556.21, 11,335.78 and 2,875.86

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Solution

The fourth proportional to 7,556.21, 11,335.78 and 2,875.86 is: 4,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.21 : 11,335.78 = 2,875.86 : x
  2. Step 2: Convert to fraction form
    7,556.21/11,335.78 = 2,875.86/x
  3. Step 3: Cross multiply
    7,556.21x = 11,335.78 × 2,875.86
  4. Step 4: Simplify right side
    7,556.21x = 32,600,155.79
  5. Step 5: Solve for x
    x = 32,600,155.79/7,556.21
  6. Step 6: Final answer
    x = 4,314.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.