Home / 5,724.17-7,900.15-4,135.96

Finding the Fourth Proportional to 5,724.17, 7,900.15 and 4,135.96

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Solution

The fourth proportional to 5,724.17, 7,900.15 and 4,135.96 is: 5,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.17 : 7,900.15 = 4,135.96 : x
  2. Step 2: Convert to fraction form
    5,724.17/7,900.15 = 4,135.96/x
  3. Step 3: Cross multiply
    5,724.17x = 7,900.15 × 4,135.96
  4. Step 4: Simplify right side
    5,724.17x = 32,674,664.89
  5. Step 5: Solve for x
    x = 32,674,664.89/5,724.17
  6. Step 6: Final answer
    x = 5,708.19

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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.