Home / 5,775.21-8,645.54-3,718.89

Finding the Fourth Proportional to 5,775.21, 8,645.54 and 3,718.89

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Solution

The fourth proportional to 5,775.21, 8,645.54 and 3,718.89 is: 5,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.21 : 8,645.54 = 3,718.89 : x
  2. Step 2: Convert to fraction form
    5,775.21/8,645.54 = 3,718.89/x
  3. Step 3: Cross multiply
    5,775.21x = 8,645.54 × 3,718.89
  4. Step 4: Simplify right side
    5,775.21x = 32,151,793.66
  5. Step 5: Solve for x
    x = 32,151,793.66/5,775.21
  6. Step 6: Final answer
    x = 5,567.21

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1.5x scale

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.