Home / 5,871.60-8,102.21-3,354.35

Finding the Fourth Proportional to 5,871.60, 8,102.21 and 3,354.35

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Solution

The fourth proportional to 5,871.60, 8,102.21 and 3,354.35 is: 4,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.60 : 8,102.21 = 3,354.35 : x
  2. Step 2: Convert to fraction form
    5,871.60/8,102.21 = 3,354.35/x
  3. Step 3: Cross multiply
    5,871.60x = 8,102.21 × 3,354.35
  4. Step 4: Simplify right side
    5,871.60x = 27,177,590.83
  5. Step 5: Solve for x
    x = 27,177,590.83/5,871.60
  6. Step 6: Final answer
    x = 4,628.65

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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.