Home / 5,309.92-7,327.95-3,071.37

Finding the Fourth Proportional to 5,309.92, 7,327.95 and 3,071.37

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Solution

The fourth proportional to 5,309.92, 7,327.95 and 3,071.37 is: 4,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.92 : 7,327.95 = 3,071.37 : x
  2. Step 2: Convert to fraction form
    5,309.92/7,327.95 = 3,071.37/x
  3. Step 3: Cross multiply
    5,309.92x = 7,327.95 × 3,071.37
  4. Step 4: Simplify right side
    5,309.92x = 22,506,816.75
  5. Step 5: Solve for x
    x = 22,506,816.75/5,309.92
  6. Step 6: Final answer
    x = 4,238.63

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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.