Home / 5,587.16-7,709.42-3,228.85

Finding the Fourth Proportional to 5,587.16, 7,709.42 and 3,228.85

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Solution

The fourth proportional to 5,587.16, 7,709.42 and 3,228.85 is: 4,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.16 : 7,709.42 = 3,228.85 : x
  2. Step 2: Convert to fraction form
    5,587.16/7,709.42 = 3,228.85/x
  3. Step 3: Cross multiply
    5,587.16x = 7,709.42 × 3,228.85
  4. Step 4: Simplify right side
    5,587.16x = 24,892,560.77
  5. Step 5: Solve for x
    x = 24,892,560.77/5,587.16
  6. Step 6: Final answer
    x = 4,455.32

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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.