Home / 7,055.70-10,587.20-3,769.80

Finding the Fourth Proportional to 7,055.70, 10,587.20 and 3,769.80

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Solution

The fourth proportional to 7,055.70, 10,587.20 and 3,769.80 is: 5,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.70 : 10,587.20 = 3,769.80 : x
  2. Step 2: Convert to fraction form
    7,055.70/10,587.20 = 3,769.80/x
  3. Step 3: Cross multiply
    7,055.70x = 10,587.20 × 3,769.80
  4. Step 4: Simplify right side
    7,055.70x = 39,911,607.71
  5. Step 5: Solve for x
    x = 39,911,607.71/7,055.70
  6. Step 6: Final answer
    x = 5,656.65

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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.