Home / 7,203.12-10,781.88-4,732.08

Finding the Fourth Proportional to 7,203.12, 10,781.88 and 4,732.08

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Solution

The fourth proportional to 7,203.12, 10,781.88 and 4,732.08 is: 7,083.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.12 : 10,781.88 = 4,732.08 : x
  2. Step 2: Convert to fraction form
    7,203.12/10,781.88 = 4,732.08/x
  3. Step 3: Cross multiply
    7,203.12x = 10,781.88 × 4,732.08
  4. Step 4: Simplify right side
    7,203.12x = 51,020,718.71
  5. Step 5: Solve for x
    x = 51,020,718.71/7,203.12
  6. Step 6: Final answer
    x = 7,083.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.