Home / 7,340.30-10,130.32-4,195.88

Finding the Fourth Proportional to 7,340.30, 10,130.32 and 4,195.88

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Solution

The fourth proportional to 7,340.30, 10,130.32 and 4,195.88 is: 5,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.30 : 10,130.32 = 4,195.88 : x
  2. Step 2: Convert to fraction form
    7,340.30/10,130.32 = 4,195.88/x
  3. Step 3: Cross multiply
    7,340.30x = 10,130.32 × 4,195.88
  4. Step 4: Simplify right side
    7,340.30x = 42,505,607.08
  5. Step 5: Solve for x
    x = 42,505,607.08/7,340.30
  6. Step 6: Final answer
    x = 5,790.72

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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.