Home / 5,192.79-7,166.47-2,955.35

Finding the Fourth Proportional to 5,192.79, 7,166.47 and 2,955.35

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Solution

The fourth proportional to 5,192.79, 7,166.47 and 2,955.35 is: 4,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.79 : 7,166.47 = 2,955.35 : x
  2. Step 2: Convert to fraction form
    5,192.79/7,166.47 = 2,955.35/x
  3. Step 3: Cross multiply
    5,192.79x = 7,166.47 × 2,955.35
  4. Step 4: Simplify right side
    5,192.79x = 21,179,412.34
  5. Step 5: Solve for x
    x = 21,179,412.34/5,192.79
  6. Step 6: Final answer
    x = 4,078.62

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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.