Home / 7,340.66-10,130.11-4,153.88

Finding the Fourth Proportional to 7,340.66, 10,130.11 and 4,153.88

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Solution

The fourth proportional to 7,340.66, 10,130.11 and 4,153.88 is: 5,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.66 : 10,130.11 = 4,153.88 : x
  2. Step 2: Convert to fraction form
    7,340.66/10,130.11 = 4,153.88/x
  3. Step 3: Cross multiply
    7,340.66x = 10,130.11 × 4,153.88
  4. Step 4: Simplify right side
    7,340.66x = 42,079,286.65
  5. Step 5: Solve for x
    x = 42,079,286.65/7,340.66
  6. Step 6: Final answer
    x = 5,732.36

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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.