Home / 5,221.52-7,206.30-2,983.70

Finding the Fourth Proportional to 5,221.52, 7,206.30 and 2,983.70

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Solution

The fourth proportional to 5,221.52, 7,206.30 and 2,983.70 is: 4,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.52 : 7,206.30 = 2,983.70 : x
  2. Step 2: Convert to fraction form
    5,221.52/7,206.30 = 2,983.70/x
  3. Step 3: Cross multiply
    5,221.52x = 7,206.30 × 2,983.70
  4. Step 4: Simplify right side
    5,221.52x = 21,501,437.31
  5. Step 5: Solve for x
    x = 21,501,437.31/5,221.52
  6. Step 6: Final answer
    x = 4,117.85

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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.