Home / 5,260.51-7,892.30-1,973.86

Finding the Fourth Proportional to 5,260.51, 7,892.30 and 1,973.86

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Solution

The fourth proportional to 5,260.51, 7,892.30 and 1,973.86 is: 2,961.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.51 : 7,892.30 = 1,973.86 : x
  2. Step 2: Convert to fraction form
    5,260.51/7,892.30 = 1,973.86/x
  3. Step 3: Cross multiply
    5,260.51x = 7,892.30 × 1,973.86
  4. Step 4: Simplify right side
    5,260.51x = 15,578,295.28
  5. Step 5: Solve for x
    x = 15,578,295.28/5,260.51
  6. Step 6: Final answer
    x = 2,961.37

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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.