Home / 5,208.95-7,180.86-3,714.27

Finding the Fourth Proportional to 5,208.95, 7,180.86 and 3,714.27

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Solution

The fourth proportional to 5,208.95, 7,180.86 and 3,714.27 is: 5,120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.95 : 7,180.86 = 3,714.27 : x
  2. Step 2: Convert to fraction form
    5,208.95/7,180.86 = 3,714.27/x
  3. Step 3: Cross multiply
    5,208.95x = 7,180.86 × 3,714.27
  4. Step 4: Simplify right side
    5,208.95x = 26,671,652.87
  5. Step 5: Solve for x
    x = 26,671,652.87/5,208.95
  6. Step 6: Final answer
    x = 5,120.35

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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.