Home / 7,158.78-10,732.50-3,261.06

Finding the Fourth Proportional to 7,158.78, 10,732.50 and 3,261.06

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Solution

The fourth proportional to 7,158.78, 10,732.50 and 3,261.06 is: 4,889.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.78 : 10,732.50 = 3,261.06 : x
  2. Step 2: Convert to fraction form
    7,158.78/10,732.50 = 3,261.06/x
  3. Step 3: Cross multiply
    7,158.78x = 10,732.50 × 3,261.06
  4. Step 4: Simplify right side
    7,158.78x = 34,999,326.45
  5. Step 5: Solve for x
    x = 34,999,326.45/7,158.78
  6. Step 6: Final answer
    x = 4,889.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.