Home / 7,055.82-10,587.20-4,989.11

Finding the Fourth Proportional to 7,055.82, 10,587.20 and 4,989.11

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Solution

The fourth proportional to 7,055.82, 10,587.20 and 4,989.11 is: 7,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.82 : 10,587.20 = 4,989.11 : x
  2. Step 2: Convert to fraction form
    7,055.82/10,587.20 = 4,989.11/x
  3. Step 3: Cross multiply
    7,055.82x = 10,587.20 × 4,989.11
  4. Step 4: Simplify right side
    7,055.82x = 52,820,627.51
  5. Step 5: Solve for x
    x = 52,820,627.51/7,055.82
  6. Step 6: Final answer
    x = 7,486.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.