Home / 4,117.37-5,664.33-3,720.06

Finding the Fourth Proportional to 4,117.37, 5,664.33 and 3,720.06

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Solution

The fourth proportional to 4,117.37, 5,664.33 and 3,720.06 is: 5,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.37 : 5,664.33 = 3,720.06 : x
  2. Step 2: Convert to fraction form
    4,117.37/5,664.33 = 3,720.06/x
  3. Step 3: Cross multiply
    4,117.37x = 5,664.33 × 3,720.06
  4. Step 4: Simplify right side
    4,117.37x = 21,071,647.46
  5. Step 5: Solve for x
    x = 21,071,647.46/4,117.37
  6. Step 6: Final answer
    x = 5,117.75

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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.