Home / 4,789.07-6,607.38-2,900.05

Finding the Fourth Proportional to 4,789.07, 6,607.38 and 2,900.05

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Solution

The fourth proportional to 4,789.07, 6,607.38 and 2,900.05 is: 4,001.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.07 : 6,607.38 = 2,900.05 : x
  2. Step 2: Convert to fraction form
    4,789.07/6,607.38 = 2,900.05/x
  3. Step 3: Cross multiply
    4,789.07x = 6,607.38 × 2,900.05
  4. Step 4: Simplify right side
    4,789.07x = 19,161,732.37
  5. Step 5: Solve for x
    x = 19,161,732.37/4,789.07
  6. Step 6: Final answer
    x = 4,001.14

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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.