Home / 5,225.11-7,212.54-3,457.28

Finding the Fourth Proportional to 5,225.11, 7,212.54 and 3,457.28

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Solution

The fourth proportional to 5,225.11, 7,212.54 and 3,457.28 is: 4,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.11 : 7,212.54 = 3,457.28 : x
  2. Step 2: Convert to fraction form
    5,225.11/7,212.54 = 3,457.28/x
  3. Step 3: Cross multiply
    5,225.11x = 7,212.54 × 3,457.28
  4. Step 4: Simplify right side
    5,225.11x = 24,935,801.29
  5. Step 5: Solve for x
    x = 24,935,801.29/5,225.11
  6. Step 6: Final answer
    x = 4,772.30

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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.