Home / 7,029.11-9,700.63-4,045.68

Finding the Fourth Proportional to 7,029.11, 9,700.63 and 4,045.68

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Solution

The fourth proportional to 7,029.11, 9,700.63 and 4,045.68 is: 5,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.11 : 9,700.63 = 4,045.68 : x
  2. Step 2: Convert to fraction form
    7,029.11/9,700.63 = 4,045.68/x
  3. Step 3: Cross multiply
    7,029.11x = 9,700.63 × 4,045.68
  4. Step 4: Simplify right side
    7,029.11x = 39,245,634.66
  5. Step 5: Solve for x
    x = 39,245,634.66/7,029.11
  6. Step 6: Final answer
    x = 5,583.30

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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.