Home / 5,572.90-7,690.74-3,055.11

Finding the Fourth Proportional to 5,572.90, 7,690.74 and 3,055.11

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Solution

The fourth proportional to 5,572.90, 7,690.74 and 3,055.11 is: 4,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.90 : 7,690.74 = 3,055.11 : x
  2. Step 2: Convert to fraction form
    5,572.90/7,690.74 = 3,055.11/x
  3. Step 3: Cross multiply
    5,572.90x = 7,690.74 × 3,055.11
  4. Step 4: Simplify right side
    5,572.90x = 23,496,056.68
  5. Step 5: Solve for x
    x = 23,496,056.68/5,572.90
  6. Step 6: Final answer
    x = 4,216.13

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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.