Home / 5,109.63-7,619.73-5,062.92

Finding the Fourth Proportional to 5,109.63, 7,619.73 and 5,062.92

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Solution

The fourth proportional to 5,109.63, 7,619.73 and 5,062.92 is: 7,550.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.63 : 7,619.73 = 5,062.92 : x
  2. Step 2: Convert to fraction form
    5,109.63/7,619.73 = 5,062.92/x
  3. Step 3: Cross multiply
    5,109.63x = 7,619.73 × 5,062.92
  4. Step 4: Simplify right side
    5,109.63x = 38,578,020.00
  5. Step 5: Solve for x
    x = 38,578,020.00/5,109.63
  6. Step 6: Final answer
    x = 7,550.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.