Home / 7,159.34-9,880.14-4,174.70

Finding the Fourth Proportional to 7,159.34, 9,880.14 and 4,174.70

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Solution

The fourth proportional to 7,159.34, 9,880.14 and 4,174.70 is: 5,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.34 : 9,880.14 = 4,174.70 : x
  2. Step 2: Convert to fraction form
    7,159.34/9,880.14 = 4,174.70/x
  3. Step 3: Cross multiply
    7,159.34x = 9,880.14 × 4,174.70
  4. Step 4: Simplify right side
    7,159.34x = 41,246,620.46
  5. Step 5: Solve for x
    x = 41,246,620.46/7,159.34
  6. Step 6: Final answer
    x = 5,761.23

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1.5x scale

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.