Home / 7,342.89-10,133.01-4,198.88

Finding the Fourth Proportional to 7,342.89, 10,133.01 and 4,198.88

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Solution

The fourth proportional to 7,342.89, 10,133.01 and 4,198.88 is: 5,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.89 : 10,133.01 = 4,198.88 : x
  2. Step 2: Convert to fraction form
    7,342.89/10,133.01 = 4,198.88/x
  3. Step 3: Cross multiply
    7,342.89x = 10,133.01 × 4,198.88
  4. Step 4: Simplify right side
    7,342.89x = 42,547,242.36
  5. Step 5: Solve for x
    x = 42,547,242.36/7,342.89
  6. Step 6: Final answer
    x = 5,794.35

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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.