Home / 5,125.76-7,068.84-3,358.34

Finding the Fourth Proportional to 5,125.76, 7,068.84 and 3,358.34

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Solution

The fourth proportional to 5,125.76, 7,068.84 and 3,358.34 is: 4,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.76 : 7,068.84 = 3,358.34 : x
  2. Step 2: Convert to fraction form
    5,125.76/7,068.84 = 3,358.34/x
  3. Step 3: Cross multiply
    5,125.76x = 7,068.84 × 3,358.34
  4. Step 4: Simplify right side
    5,125.76x = 23,739,568.13
  5. Step 5: Solve for x
    x = 23,739,568.13/5,125.76
  6. Step 6: Final answer
    x = 4,631.42

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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.