Home / 5,284.44-7,920.99-2,358.72

Finding the Fourth Proportional to 5,284.44, 7,920.99 and 2,358.72

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Solution

The fourth proportional to 5,284.44, 7,920.99 and 2,358.72 is: 3,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.44 : 7,920.99 = 2,358.72 : x
  2. Step 2: Convert to fraction form
    5,284.44/7,920.99 = 2,358.72/x
  3. Step 3: Cross multiply
    5,284.44x = 7,920.99 × 2,358.72
  4. Step 4: Simplify right side
    5,284.44x = 18,683,397.53
  5. Step 5: Solve for x
    x = 18,683,397.53/5,284.44
  6. Step 6: Final answer
    x = 3,535.55

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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.