Home / 5,260.61-7,259.56-2,902.77

Finding the Fourth Proportional to 5,260.61, 7,259.56 and 2,902.77

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Solution

The fourth proportional to 5,260.61, 7,259.56 and 2,902.77 is: 4,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.61 : 7,259.56 = 2,902.77 : x
  2. Step 2: Convert to fraction form
    5,260.61/7,259.56 = 2,902.77/x
  3. Step 3: Cross multiply
    5,260.61x = 7,259.56 × 2,902.77
  4. Step 4: Simplify right side
    5,260.61x = 21,072,825.72
  5. Step 5: Solve for x
    x = 21,072,825.72/5,260.61
  6. Step 6: Final answer
    x = 4,005.77

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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.