Home / 5,077.79-7,007.69-3,088.43

Finding the Fourth Proportional to 5,077.79, 7,007.69 and 3,088.43

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Solution

The fourth proportional to 5,077.79, 7,007.69 and 3,088.43 is: 4,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.79 : 7,007.69 = 3,088.43 : x
  2. Step 2: Convert to fraction form
    5,077.79/7,007.69 = 3,088.43/x
  3. Step 3: Cross multiply
    5,077.79x = 7,007.69 × 3,088.43
  4. Step 4: Simplify right side
    5,077.79x = 21,642,744.58
  5. Step 5: Solve for x
    x = 21,642,744.58/5,077.79
  6. Step 6: Final answer
    x = 4,262.24

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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.