Home / 5,158.28-7,730.66-2,384.58

Finding the Fourth Proportional to 5,158.28, 7,730.66 and 2,384.58

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Solution

The fourth proportional to 5,158.28, 7,730.66 and 2,384.58 is: 3,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.28 : 7,730.66 = 2,384.58 : x
  2. Step 2: Convert to fraction form
    5,158.28/7,730.66 = 2,384.58/x
  3. Step 3: Cross multiply
    5,158.28x = 7,730.66 × 2,384.58
  4. Step 4: Simplify right side
    5,158.28x = 18,434,377.22
  5. Step 5: Solve for x
    x = 18,434,377.22/5,158.28
  6. Step 6: Final answer
    x = 3,573.74

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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.