Home / 5,325.66-7,349.91-2,967.78

Finding the Fourth Proportional to 5,325.66, 7,349.91 and 2,967.78

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Solution

The fourth proportional to 5,325.66, 7,349.91 and 2,967.78 is: 4,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.66 : 7,349.91 = 2,967.78 : x
  2. Step 2: Convert to fraction form
    5,325.66/7,349.91 = 2,967.78/x
  3. Step 3: Cross multiply
    5,325.66x = 7,349.91 × 2,967.78
  4. Step 4: Simplify right side
    5,325.66x = 21,812,915.90
  5. Step 5: Solve for x
    x = 21,812,915.90/5,325.66
  6. Step 6: Final answer
    x = 4,095.81

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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.