Home / 5,729.13-7,902.36-3,740.18

Finding the Fourth Proportional to 5,729.13, 7,902.36 and 3,740.18

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Solution

The fourth proportional to 5,729.13, 7,902.36 and 3,740.18 is: 5,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.13 : 7,902.36 = 3,740.18 : x
  2. Step 2: Convert to fraction form
    5,729.13/7,902.36 = 3,740.18/x
  3. Step 3: Cross multiply
    5,729.13x = 7,902.36 × 3,740.18
  4. Step 4: Simplify right side
    5,729.13x = 29,556,209.31
  5. Step 5: Solve for x
    x = 29,556,209.31/5,729.13
  6. Step 6: Final answer
    x = 5,158.94

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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.