Home / 5,045.74-6,963.20-2,807.64

Finding the Fourth Proportional to 5,045.74, 6,963.20 and 2,807.64

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Solution

The fourth proportional to 5,045.74, 6,963.20 and 2,807.64 is: 3,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.74 : 6,963.20 = 2,807.64 : x
  2. Step 2: Convert to fraction form
    5,045.74/6,963.20 = 2,807.64/x
  3. Step 3: Cross multiply
    5,045.74x = 6,963.20 × 2,807.64
  4. Step 4: Simplify right side
    5,045.74x = 19,550,165.87
  5. Step 5: Solve for x
    x = 19,550,165.87/5,045.74
  6. Step 6: Final answer
    x = 3,874.59

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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.