Home / 5,261.09-7,259.96-2,902.91

Finding the Fourth Proportional to 5,261.09, 7,259.96 and 2,902.91

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Solution

The fourth proportional to 5,261.09, 7,259.96 and 2,902.91 is: 4,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.09 : 7,259.96 = 2,902.91 : x
  2. Step 2: Convert to fraction form
    5,261.09/7,259.96 = 2,902.91/x
  3. Step 3: Cross multiply
    5,261.09x = 7,259.96 × 2,902.91
  4. Step 4: Simplify right side
    5,261.09x = 21,074,981.44
  5. Step 5: Solve for x
    x = 21,074,981.44/5,261.09
  6. Step 6: Final answer
    x = 4,005.82

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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.