Home / 5,045.96-6,962.82-2,807.30

Finding the Fourth Proportional to 5,045.96, 6,962.82 and 2,807.30

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Solution

The fourth proportional to 5,045.96, 6,962.82 and 2,807.30 is: 3,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.96 : 6,962.82 = 2,807.30 : x
  2. Step 2: Convert to fraction form
    5,045.96/6,962.82 = 2,807.30/x
  3. Step 3: Cross multiply
    5,045.96x = 6,962.82 × 2,807.30
  4. Step 4: Simplify right side
    5,045.96x = 19,546,724.59
  5. Step 5: Solve for x
    x = 19,546,724.59/5,045.96
  6. Step 6: Final answer
    x = 3,873.74

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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.