Home / 4,483.28-6,722.80-1,561.22

Finding the Fourth Proportional to 4,483.28, 6,722.80 and 1,561.22

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Solution

The fourth proportional to 4,483.28, 6,722.80 and 1,561.22 is: 2,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,483.28 : 6,722.80 = 1,561.22 : x
  2. Step 2: Convert to fraction form
    4,483.28/6,722.80 = 1,561.22/x
  3. Step 3: Cross multiply
    4,483.28x = 6,722.80 × 1,561.22
  4. Step 4: Simplify right side
    4,483.28x = 10,495,769.82
  5. Step 5: Solve for x
    x = 10,495,769.82/4,483.28
  6. Step 6: Final answer
    x = 2,341.09

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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.