Home / 5,471.25-7,547.63-3,453.77

Finding the Fourth Proportional to 5,471.25, 7,547.63 and 3,453.77

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Solution

The fourth proportional to 5,471.25, 7,547.63 and 3,453.77 is: 4,764.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.25 : 7,547.63 = 3,453.77 : x
  2. Step 2: Convert to fraction form
    5,471.25/7,547.63 = 3,453.77/x
  3. Step 3: Cross multiply
    5,471.25x = 7,547.63 × 3,453.77
  4. Step 4: Simplify right side
    5,471.25x = 26,067,723.06
  5. Step 5: Solve for x
    x = 26,067,723.06/5,471.25
  6. Step 6: Final answer
    x = 4,764.49

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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.