Home / 7,029.32-9,699.16-4,045.28

Finding the Fourth Proportional to 7,029.32, 9,699.16 and 4,045.28

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Solution

The fourth proportional to 7,029.32, 9,699.16 and 4,045.28 is: 5,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.32 : 9,699.16 = 4,045.28 : x
  2. Step 2: Convert to fraction form
    7,029.32/9,699.16 = 4,045.28/x
  3. Step 3: Cross multiply
    7,029.32x = 9,699.16 × 4,045.28
  4. Step 4: Simplify right side
    7,029.32x = 39,235,817.96
  5. Step 5: Solve for x
    x = 39,235,817.96/7,029.32
  6. Step 6: Final answer
    x = 5,581.74

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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.