Home / 7,068.42-10,600.67-2,138.22

Finding the Fourth Proportional to 7,068.42, 10,600.67 and 2,138.22

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Solution

The fourth proportional to 7,068.42, 10,600.67 and 2,138.22 is: 3,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.42 : 10,600.67 = 2,138.22 : x
  2. Step 2: Convert to fraction form
    7,068.42/10,600.67 = 2,138.22/x
  3. Step 3: Cross multiply
    7,068.42x = 10,600.67 × 2,138.22
  4. Step 4: Simplify right side
    7,068.42x = 22,666,569.95
  5. Step 5: Solve for x
    x = 22,666,569.95/7,068.42
  6. Step 6: Final answer
    x = 3,206.74

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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.