Home / 5,572.36-7,689.45-3,054.07

Finding the Fourth Proportional to 5,572.36, 7,689.45 and 3,054.07

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Solution

The fourth proportional to 5,572.36, 7,689.45 and 3,054.07 is: 4,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.36 : 7,689.45 = 3,054.07 : x
  2. Step 2: Convert to fraction form
    5,572.36/7,689.45 = 3,054.07/x
  3. Step 3: Cross multiply
    5,572.36x = 7,689.45 × 3,054.07
  4. Step 4: Simplify right side
    5,572.36x = 23,484,118.56
  5. Step 5: Solve for x
    x = 23,484,118.56/5,572.36
  6. Step 6: Final answer
    x = 4,214.39

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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.