Home / 6,114.96-8,438.58-3,320.46

Finding the Fourth Proportional to 6,114.96, 8,438.58 and 3,320.46

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Solution

The fourth proportional to 6,114.96, 8,438.58 and 3,320.46 is: 4,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.96 : 8,438.58 = 3,320.46 : x
  2. Step 2: Convert to fraction form
    6,114.96/8,438.58 = 3,320.46/x
  3. Step 3: Cross multiply
    6,114.96x = 8,438.58 × 3,320.46
  4. Step 4: Simplify right side
    6,114.96x = 28,019,967.35
  5. Step 5: Solve for x
    x = 28,019,967.35/6,114.96
  6. Step 6: Final answer
    x = 4,582.20

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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.