Home / 7,029.16-9,699.88-3,884.74

Finding the Fourth Proportional to 7,029.16, 9,699.88 and 3,884.74

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Solution

The fourth proportional to 7,029.16, 9,699.88 and 3,884.74 is: 5,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.16 : 9,699.88 = 3,884.74 : x
  2. Step 2: Convert to fraction form
    7,029.16/9,699.88 = 3,884.74/x
  3. Step 3: Cross multiply
    7,029.16x = 9,699.88 × 3,884.74
  4. Step 4: Simplify right side
    7,029.16x = 37,681,511.83
  5. Step 5: Solve for x
    x = 37,681,511.83/7,029.16
  6. Step 6: Final answer
    x = 5,360.74

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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.