Home / 7,048.09-9,725.57-3,903.49

Finding the Fourth Proportional to 7,048.09, 9,725.57 and 3,903.49

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Solution

The fourth proportional to 7,048.09, 9,725.57 and 3,903.49 is: 5,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.09 : 9,725.57 = 3,903.49 : x
  2. Step 2: Convert to fraction form
    7,048.09/9,725.57 = 3,903.49/x
  3. Step 3: Cross multiply
    7,048.09x = 9,725.57 × 3,903.49
  4. Step 4: Simplify right side
    7,048.09x = 37,963,616.61
  5. Step 5: Solve for x
    x = 37,963,616.61/7,048.09
  6. Step 6: Final answer
    x = 5,386.37

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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.