Home / 5,153.04-7,111.17-2,795.18

Finding the Fourth Proportional to 5,153.04, 7,111.17 and 2,795.18

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Solution

The fourth proportional to 5,153.04, 7,111.17 and 2,795.18 is: 3,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.04 : 7,111.17 = 2,795.18 : x
  2. Step 2: Convert to fraction form
    5,153.04/7,111.17 = 2,795.18/x
  3. Step 3: Cross multiply
    5,153.04x = 7,111.17 × 2,795.18
  4. Step 4: Simplify right side
    5,153.04x = 19,876,964.60
  5. Step 5: Solve for x
    x = 19,876,964.60/5,153.04
  6. Step 6: Final answer
    x = 3,857.33

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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.