Home / 2,332.16-3,216-1,545.92

Finding the Fourth Proportional to 2,332.16, 3,216 and 1,545.92

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Solution

The fourth proportional to 2,332.16, 3,216 and 1,545.92 is: 2,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.16 : 3,216 = 1,545.92 : x
  2. Step 2: Convert to fraction form
    2,332.16/3,216 = 1,545.92/x
  3. Step 3: Cross multiply
    2,332.16x = 3,216 × 1,545.92
  4. Step 4: Simplify right side
    2,332.16x = 4,971,678.72
  5. Step 5: Solve for x
    x = 4,971,678.72/2,332.16
  6. Step 6: Final answer
    x = 2,131.79

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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.