Home / 5,170.48-7,755.63-1,472.74

Finding the Fourth Proportional to 5,170.48, 7,755.63 and 1,472.74

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Solution

The fourth proportional to 5,170.48, 7,755.63 and 1,472.74 is: 2,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.48 : 7,755.63 = 1,472.74 : x
  2. Step 2: Convert to fraction form
    5,170.48/7,755.63 = 1,472.74/x
  3. Step 3: Cross multiply
    5,170.48x = 7,755.63 × 1,472.74
  4. Step 4: Simplify right side
    5,170.48x = 11,422,026.53
  5. Step 5: Solve for x
    x = 11,422,026.53/5,170.48
  6. Step 6: Final answer
    x = 2,209.08

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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.