Home / 5,655.29-8,483.75-1,760.09

Finding the Fourth Proportional to 5,655.29, 8,483.75 and 1,760.09

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Solution

The fourth proportional to 5,655.29, 8,483.75 and 1,760.09 is: 2,640.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.29 : 8,483.75 = 1,760.09 : x
  2. Step 2: Convert to fraction form
    5,655.29/8,483.75 = 1,760.09/x
  3. Step 3: Cross multiply
    5,655.29x = 8,483.75 × 1,760.09
  4. Step 4: Simplify right side
    5,655.29x = 14,932,154.74
  5. Step 5: Solve for x
    x = 14,932,154.74/5,655.29
  6. Step 6: Final answer
    x = 2,640.39

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1.5x scale

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.