Home / 7,390.84-11,079.67-2,709.76

Finding the Fourth Proportional to 7,390.84, 11,079.67 and 2,709.76

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Solution

The fourth proportional to 7,390.84, 11,079.67 and 2,709.76 is: 4,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.84 : 11,079.67 = 2,709.76 : x
  2. Step 2: Convert to fraction form
    7,390.84/11,079.67 = 2,709.76/x
  3. Step 3: Cross multiply
    7,390.84x = 11,079.67 × 2,709.76
  4. Step 4: Simplify right side
    7,390.84x = 30,023,237.81
  5. Step 5: Solve for x
    x = 30,023,237.81/7,390.84
  6. Step 6: Final answer
    x = 4,062.22

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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.