Home / 7,349.46-10,142.25-4,205.64

Finding the Fourth Proportional to 7,349.46, 10,142.25 and 4,205.64

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Solution

The fourth proportional to 7,349.46, 10,142.25 and 4,205.64 is: 5,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.46 : 10,142.25 = 4,205.64 : x
  2. Step 2: Convert to fraction form
    7,349.46/10,142.25 = 4,205.64/x
  3. Step 3: Cross multiply
    7,349.46x = 10,142.25 × 4,205.64
  4. Step 4: Simplify right side
    7,349.46x = 42,654,652.29
  5. Step 5: Solve for x
    x = 42,654,652.29/7,349.46
  6. Step 6: Final answer
    x = 5,803.78

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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.