Home / 7,029.67-9,700.66-3,842.90

Finding the Fourth Proportional to 7,029.67, 9,700.66 and 3,842.90

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Solution

The fourth proportional to 7,029.67, 9,700.66 and 3,842.90 is: 5,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.67 : 9,700.66 = 3,842.90 : x
  2. Step 2: Convert to fraction form
    7,029.67/9,700.66 = 3,842.90/x
  3. Step 3: Cross multiply
    7,029.67x = 9,700.66 × 3,842.90
  4. Step 4: Simplify right side
    7,029.67x = 37,278,666.31
  5. Step 5: Solve for x
    x = 37,278,666.31/7,029.67
  6. Step 6: Final answer
    x = 5,303.05

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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.