Home / 5,274.86-7,280.06-3,036.51

Finding the Fourth Proportional to 5,274.86, 7,280.06 and 3,036.51

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Solution

The fourth proportional to 5,274.86, 7,280.06 and 3,036.51 is: 4,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.86 : 7,280.06 = 3,036.51 : x
  2. Step 2: Convert to fraction form
    5,274.86/7,280.06 = 3,036.51/x
  3. Step 3: Cross multiply
    5,274.86x = 7,280.06 × 3,036.51
  4. Step 4: Simplify right side
    5,274.86x = 22,105,959.81
  5. Step 5: Solve for x
    x = 22,105,959.81/5,274.86
  6. Step 6: Final answer
    x = 4,190.82

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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.