Home / 7,729.30-10,666.43-4,372.04

Finding the Fourth Proportional to 7,729.30, 10,666.43 and 4,372.04

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Solution

The fourth proportional to 7,729.30, 10,666.43 and 4,372.04 is: 6,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.30 : 10,666.43 = 4,372.04 : x
  2. Step 2: Convert to fraction form
    7,729.30/10,666.43 = 4,372.04/x
  3. Step 3: Cross multiply
    7,729.30x = 10,666.43 × 4,372.04
  4. Step 4: Simplify right side
    7,729.30x = 46,634,045.28
  5. Step 5: Solve for x
    x = 46,634,045.28/7,729.30
  6. Step 6: Final answer
    x = 6,033.41

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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.