Home / 5,077.48-7,007.04-2,839.26

Finding the Fourth Proportional to 5,077.48, 7,007.04 and 2,839.26

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Solution

The fourth proportional to 5,077.48, 7,007.04 and 2,839.26 is: 3,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.48 : 7,007.04 = 2,839.26 : x
  2. Step 2: Convert to fraction form
    5,077.48/7,007.04 = 2,839.26/x
  3. Step 3: Cross multiply
    5,077.48x = 7,007.04 × 2,839.26
  4. Step 4: Simplify right side
    5,077.48x = 19,894,808.39
  5. Step 5: Solve for x
    x = 19,894,808.39/5,077.48
  6. Step 6: Final answer
    x = 3,918.24

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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.