Home / 7,340.94-10,130.22-4,154.34

Finding the Fourth Proportional to 7,340.94, 10,130.22 and 4,154.34

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Solution

The fourth proportional to 7,340.94, 10,130.22 and 4,154.34 is: 5,732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.94 : 10,130.22 = 4,154.34 : x
  2. Step 2: Convert to fraction form
    7,340.94/10,130.22 = 4,154.34/x
  3. Step 3: Cross multiply
    7,340.94x = 10,130.22 × 4,154.34
  4. Step 4: Simplify right side
    7,340.94x = 42,084,378.15
  5. Step 5: Solve for x
    x = 42,084,378.15/7,340.94
  6. Step 6: Final answer
    x = 5,732.83

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Half scale
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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.