Home / 5,578.32-7,697.51-3,340.14

Finding the Fourth Proportional to 5,578.32, 7,697.51 and 3,340.14

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Solution

The fourth proportional to 5,578.32, 7,697.51 and 3,340.14 is: 4,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.32 : 7,697.51 = 3,340.14 : x
  2. Step 2: Convert to fraction form
    5,578.32/7,697.51 = 3,340.14/x
  3. Step 3: Cross multiply
    5,578.32x = 7,697.51 × 3,340.14
  4. Step 4: Simplify right side
    5,578.32x = 25,710,761.05
  5. Step 5: Solve for x
    x = 25,710,761.05/5,578.32
  6. Step 6: Final answer
    x = 4,609.05

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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.