Home / 5,001.74-6,905.45-3,880.56

Finding the Fourth Proportional to 5,001.74, 6,905.45 and 3,880.56

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Solution

The fourth proportional to 5,001.74, 6,905.45 and 3,880.56 is: 5,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.74 : 6,905.45 = 3,880.56 : x
  2. Step 2: Convert to fraction form
    5,001.74/6,905.45 = 3,880.56/x
  3. Step 3: Cross multiply
    5,001.74x = 6,905.45 × 3,880.56
  4. Step 4: Simplify right side
    5,001.74x = 26,797,009.81
  5. Step 5: Solve for x
    x = 26,797,009.81/5,001.74
  6. Step 6: Final answer
    x = 5,357.54

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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.