Home / 5,402.14-7,458.39-4,409.78

Finding the Fourth Proportional to 5,402.14, 7,458.39 and 4,409.78

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Solution

The fourth proportional to 5,402.14, 7,458.39 and 4,409.78 is: 6,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.14 : 7,458.39 = 4,409.78 : x
  2. Step 2: Convert to fraction form
    5,402.14/7,458.39 = 4,409.78/x
  3. Step 3: Cross multiply
    5,402.14x = 7,458.39 × 4,409.78
  4. Step 4: Simplify right side
    5,402.14x = 32,889,821.76
  5. Step 5: Solve for x
    x = 32,889,821.76/5,402.14
  6. Step 6: Final answer
    x = 6,088.30

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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.