Home / 5,740.01-7,920.28-3,381.83

Finding the Fourth Proportional to 5,740.01, 7,920.28 and 3,381.83

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Solution

The fourth proportional to 5,740.01, 7,920.28 and 3,381.83 is: 4,666.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.01 : 7,920.28 = 3,381.83 : x
  2. Step 2: Convert to fraction form
    5,740.01/7,920.28 = 3,381.83/x
  3. Step 3: Cross multiply
    5,740.01x = 7,920.28 × 3,381.83
  4. Step 4: Simplify right side
    5,740.01x = 26,785,065.99
  5. Step 5: Solve for x
    x = 26,785,065.99/5,740.01
  6. Step 6: Final answer
    x = 4,666.38

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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.