Home / 5,045.69-6,963.30-2,807.60

Finding the Fourth Proportional to 5,045.69, 6,963.30 and 2,807.60

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Solution

The fourth proportional to 5,045.69, 6,963.30 and 2,807.60 is: 3,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.69 : 6,963.30 = 2,807.60 : x
  2. Step 2: Convert to fraction form
    5,045.69/6,963.30 = 2,807.60/x
  3. Step 3: Cross multiply
    5,045.69x = 6,963.30 × 2,807.60
  4. Step 4: Simplify right side
    5,045.69x = 19,550,126.26
  5. Step 5: Solve for x
    x = 19,550,126.26/5,045.69
  6. Step 6: Final answer
    x = 3,874.62

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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.