Home / 3,176.96-4,385.36-2,586.47

Finding the Fourth Proportional to 3,176.96, 4,385.36 and 2,586.47

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Solution

The fourth proportional to 3,176.96, 4,385.36 and 2,586.47 is: 3,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.96 : 4,385.36 = 2,586.47 : x
  2. Step 2: Convert to fraction form
    3,176.96/4,385.36 = 2,586.47/x
  3. Step 3: Cross multiply
    3,176.96x = 4,385.36 × 2,586.47
  4. Step 4: Simplify right side
    3,176.96x = 11,342,602.08
  5. Step 5: Solve for x
    x = 11,342,602.08/3,176.96
  6. Step 6: Final answer
    x = 3,570.27

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1.5x scale

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.