Home / 5,320.16-7,341.52-2,929.66

Finding the Fourth Proportional to 5,320.16, 7,341.52 and 2,929.66

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Solution

The fourth proportional to 5,320.16, 7,341.52 and 2,929.66 is: 4,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.16 : 7,341.52 = 2,929.66 : x
  2. Step 2: Convert to fraction form
    5,320.16/7,341.52 = 2,929.66/x
  3. Step 3: Cross multiply
    5,320.16x = 7,341.52 × 2,929.66
  4. Step 4: Simplify right side
    5,320.16x = 21,508,157.48
  5. Step 5: Solve for x
    x = 21,508,157.48/5,320.16
  6. Step 6: Final answer
    x = 4,042.77

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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.