Home / 5,399.16-7,448.98-3,275.36

Finding the Fourth Proportional to 5,399.16, 7,448.98 and 3,275.36

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Solution

The fourth proportional to 5,399.16, 7,448.98 and 3,275.36 is: 4,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.16 : 7,448.98 = 3,275.36 : x
  2. Step 2: Convert to fraction form
    5,399.16/7,448.98 = 3,275.36/x
  3. Step 3: Cross multiply
    5,399.16x = 7,448.98 × 3,275.36
  4. Step 4: Simplify right side
    5,399.16x = 24,398,091.13
  5. Step 5: Solve for x
    x = 24,398,091.13/5,399.16
  6. Step 6: Final answer
    x = 4,518.87

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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.