Home / 4,784.41-7,168.50-2,931.66

Finding the Fourth Proportional to 4,784.41, 7,168.50 and 2,931.66

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Solution

The fourth proportional to 4,784.41, 7,168.50 and 2,931.66 is: 4,392.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.41 : 7,168.50 = 2,931.66 : x
  2. Step 2: Convert to fraction form
    4,784.41/7,168.50 = 2,931.66/x
  3. Step 3: Cross multiply
    4,784.41x = 7,168.50 × 2,931.66
  4. Step 4: Simplify right side
    4,784.41x = 21,015,604.71
  5. Step 5: Solve for x
    x = 21,015,604.71/4,784.41
  6. Step 6: Final answer
    x = 4,392.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.