Home / 6,475.55-8,936.19-3,788.51

Finding the Fourth Proportional to 6,475.55, 8,936.19 and 3,788.51

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Solution

The fourth proportional to 6,475.55, 8,936.19 and 3,788.51 is: 5,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.55 : 8,936.19 = 3,788.51 : x
  2. Step 2: Convert to fraction form
    6,475.55/8,936.19 = 3,788.51/x
  3. Step 3: Cross multiply
    6,475.55x = 8,936.19 × 3,788.51
  4. Step 4: Simplify right side
    6,475.55x = 33,854,800.50
  5. Step 5: Solve for x
    x = 33,854,800.50/6,475.55
  6. Step 6: Final answer
    x = 5,228.10

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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.