Home / 7,048.80-10,569.15-2,117.70

Finding the Fourth Proportional to 7,048.80, 10,569.15 and 2,117.70

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Solution

The fourth proportional to 7,048.80, 10,569.15 and 2,117.70 is: 3,175.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.80 : 10,569.15 = 2,117.70 : x
  2. Step 2: Convert to fraction form
    7,048.80/10,569.15 = 2,117.70/x
  3. Step 3: Cross multiply
    7,048.80x = 10,569.15 × 2,117.70
  4. Step 4: Simplify right side
    7,048.80x = 22,382,288.96
  5. Step 5: Solve for x
    x = 22,382,288.96/7,048.80
  6. Step 6: Final answer
    x = 3,175.33

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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.