Home / 5,931.20-8,184.33-3,278.45

Finding the Fourth Proportional to 5,931.20, 8,184.33 and 3,278.45

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Solution

The fourth proportional to 5,931.20, 8,184.33 and 3,278.45 is: 4,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.20 : 8,184.33 = 3,278.45 : x
  2. Step 2: Convert to fraction form
    5,931.20/8,184.33 = 3,278.45/x
  3. Step 3: Cross multiply
    5,931.20x = 8,184.33 × 3,278.45
  4. Step 4: Simplify right side
    5,931.20x = 26,831,875.77
  5. Step 5: Solve for x
    x = 26,831,875.77/5,931.20
  6. Step 6: Final answer
    x = 4,523.86

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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.