Home / 6,257.50-8,637.28-3,606.68

Finding the Fourth Proportional to 6,257.50, 8,637.28 and 3,606.68

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Solution

The fourth proportional to 6,257.50, 8,637.28 and 3,606.68 is: 4,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.50 : 8,637.28 = 3,606.68 : x
  2. Step 2: Convert to fraction form
    6,257.50/8,637.28 = 3,606.68/x
  3. Step 3: Cross multiply
    6,257.50x = 8,637.28 × 3,606.68
  4. Step 4: Simplify right side
    6,257.50x = 31,151,843.81
  5. Step 5: Solve for x
    x = 31,151,843.81/6,257.50
  6. Step 6: Final answer
    x = 4,978.32

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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.