Home / 5,369.84-7,410.37-2,980.18

Finding the Fourth Proportional to 5,369.84, 7,410.37 and 2,980.18

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Solution

The fourth proportional to 5,369.84, 7,410.37 and 2,980.18 is: 4,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.84 : 7,410.37 = 2,980.18 : x
  2. Step 2: Convert to fraction form
    5,369.84/7,410.37 = 2,980.18/x
  3. Step 3: Cross multiply
    5,369.84x = 7,410.37 × 2,980.18
  4. Step 4: Simplify right side
    5,369.84x = 22,084,210.49
  5. Step 5: Solve for x
    x = 22,084,210.49/5,369.84
  6. Step 6: Final answer
    x = 4,112.64

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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.