Home / 5,133.80-7,702.68-2,667.08

Finding the Fourth Proportional to 5,133.80, 7,702.68 and 2,667.08

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Solution

The fourth proportional to 5,133.80, 7,702.68 and 2,667.08 is: 4,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.80 : 7,702.68 = 2,667.08 : x
  2. Step 2: Convert to fraction form
    5,133.80/7,702.68 = 2,667.08/x
  3. Step 3: Cross multiply
    5,133.80x = 7,702.68 × 2,667.08
  4. Step 4: Simplify right side
    5,133.80x = 20,543,663.77
  5. Step 5: Solve for x
    x = 20,543,663.77/5,133.80
  6. Step 6: Final answer
    x = 4,001.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.