Home / 5,077.07-7,006.51-2,839.04

Finding the Fourth Proportional to 5,077.07, 7,006.51 and 2,839.04

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Solution

The fourth proportional to 5,077.07, 7,006.51 and 2,839.04 is: 3,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.07 : 7,006.51 = 2,839.04 : x
  2. Step 2: Convert to fraction form
    5,077.07/7,006.51 = 2,839.04/x
  3. Step 3: Cross multiply
    5,077.07x = 7,006.51 × 2,839.04
  4. Step 4: Simplify right side
    5,077.07x = 19,891,762.15
  5. Step 5: Solve for x
    x = 19,891,762.15/5,077.07
  6. Step 6: Final answer
    x = 3,917.96

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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.