Home / 5,529.18-7,628.72-3,848.70

Finding the Fourth Proportional to 5,529.18, 7,628.72 and 3,848.70

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Solution

The fourth proportional to 5,529.18, 7,628.72 and 3,848.70 is: 5,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.18 : 7,628.72 = 3,848.70 : x
  2. Step 2: Convert to fraction form
    5,529.18/7,628.72 = 3,848.70/x
  3. Step 3: Cross multiply
    5,529.18x = 7,628.72 × 3,848.70
  4. Step 4: Simplify right side
    5,529.18x = 29,360,654.66
  5. Step 5: Solve for x
    x = 29,360,654.66/5,529.18
  6. Step 6: Final answer
    x = 5,310.13

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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.