Home / 6,351.51-8,765.37-3,557.01

Finding the Fourth Proportional to 6,351.51, 8,765.37 and 3,557.01

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Solution

The fourth proportional to 6,351.51, 8,765.37 and 3,557.01 is: 4,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.51 : 8,765.37 = 3,557.01 : x
  2. Step 2: Convert to fraction form
    6,351.51/8,765.37 = 3,557.01/x
  3. Step 3: Cross multiply
    6,351.51x = 8,765.37 × 3,557.01
  4. Step 4: Simplify right side
    6,351.51x = 31,178,508.74
  5. Step 5: Solve for x
    x = 31,178,508.74/6,351.51
  6. Step 6: Final answer
    x = 4,908.83

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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.