Home / 5,007.49-7,515.75-2,669.45

Finding the Fourth Proportional to 5,007.49, 7,515.75 and 2,669.45

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Solution

The fourth proportional to 5,007.49, 7,515.75 and 2,669.45 is: 4,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.49 : 7,515.75 = 2,669.45 : x
  2. Step 2: Convert to fraction form
    5,007.49/7,515.75 = 2,669.45/x
  3. Step 3: Cross multiply
    5,007.49x = 7,515.75 × 2,669.45
  4. Step 4: Simplify right side
    5,007.49x = 20,062,881.26
  5. Step 5: Solve for x
    x = 20,062,881.26/5,007.49
  6. Step 6: Final answer
    x = 4,006.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.