Home / 7,729.18-10,660.62-4,897.04

Finding the Fourth Proportional to 7,729.18, 10,660.62 and 4,897.04

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Solution

The fourth proportional to 7,729.18, 10,660.62 and 4,897.04 is: 6,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.18 : 10,660.62 = 4,897.04 : x
  2. Step 2: Convert to fraction form
    7,729.18/10,660.62 = 4,897.04/x
  3. Step 3: Cross multiply
    7,729.18x = 10,660.62 × 4,897.04
  4. Step 4: Simplify right side
    7,729.18x = 52,205,482.56
  5. Step 5: Solve for x
    x = 52,205,482.56/7,729.18
  6. Step 6: Final answer
    x = 6,754.34

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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.