Home / 5,113-7,055.88-2,875.26

Finding the Fourth Proportional to 5,113, 7,055.88 and 2,875.26

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Solution

The fourth proportional to 5,113, 7,055.88 and 2,875.26 is: 3,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113 : 7,055.88 = 2,875.26 : x
  2. Step 2: Convert to fraction form
    5,113/7,055.88 = 2,875.26/x
  3. Step 3: Cross multiply
    5,113x = 7,055.88 × 2,875.26
  4. Step 4: Simplify right side
    5,113x = 20,287,489.53
  5. Step 5: Solve for x
    x = 20,287,489.53/5,113
  6. Step 6: Final answer
    x = 3,967.83

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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.