Home / 5,225.31-7,211.04-2,867.46

Finding the Fourth Proportional to 5,225.31, 7,211.04 and 2,867.46

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Solution

The fourth proportional to 5,225.31, 7,211.04 and 2,867.46 is: 3,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.31 : 7,211.04 = 2,867.46 : x
  2. Step 2: Convert to fraction form
    5,225.31/7,211.04 = 2,867.46/x
  3. Step 3: Cross multiply
    5,225.31x = 7,211.04 × 2,867.46
  4. Step 4: Simplify right side
    5,225.31x = 20,677,368.76
  5. Step 5: Solve for x
    x = 20,677,368.76/5,225.31
  6. Step 6: Final answer
    x = 3,957.16

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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.