Home / 5,204.16-7,177.55-3,315.15

Finding the Fourth Proportional to 5,204.16, 7,177.55 and 3,315.15

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Solution

The fourth proportional to 5,204.16, 7,177.55 and 3,315.15 is: 4,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.16 : 7,177.55 = 3,315.15 : x
  2. Step 2: Convert to fraction form
    5,204.16/7,177.55 = 3,315.15/x
  3. Step 3: Cross multiply
    5,204.16x = 7,177.55 × 3,315.15
  4. Step 4: Simplify right side
    5,204.16x = 23,794,638.31
  5. Step 5: Solve for x
    x = 23,794,638.31/5,204.16
  6. Step 6: Final answer
    x = 4,572.23

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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.