Home / 5,345.54-7,376.58-2,955.42

Finding the Fourth Proportional to 5,345.54, 7,376.58 and 2,955.42

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Solution

The fourth proportional to 5,345.54, 7,376.58 and 2,955.42 is: 4,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.54 : 7,376.58 = 2,955.42 : x
  2. Step 2: Convert to fraction form
    5,345.54/7,376.58 = 2,955.42/x
  3. Step 3: Cross multiply
    5,345.54x = 7,376.58 × 2,955.42
  4. Step 4: Simplify right side
    5,345.54x = 21,800,892.06
  5. Step 5: Solve for x
    x = 21,800,892.06/5,345.54
  6. Step 6: Final answer
    x = 4,078.34

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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.