Home / 5,931.21-8,184.63-3,278.58

Finding the Fourth Proportional to 5,931.21, 8,184.63 and 3,278.58

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Solution

The fourth proportional to 5,931.21, 8,184.63 and 3,278.58 is: 4,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.21 : 8,184.63 = 3,278.58 : x
  2. Step 2: Convert to fraction form
    5,931.21/8,184.63 = 3,278.58/x
  3. Step 3: Cross multiply
    5,931.21x = 8,184.63 × 3,278.58
  4. Step 4: Simplify right side
    5,931.21x = 26,833,964.23
  5. Step 5: Solve for x
    x = 26,833,964.23/5,931.21
  6. Step 6: Final answer
    x = 4,524.20

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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.