Home / 5,476.20-7,557.46-3,119.08

Finding the Fourth Proportional to 5,476.20, 7,557.46 and 3,119.08

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Solution

The fourth proportional to 5,476.20, 7,557.46 and 3,119.08 is: 4,304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.20 : 7,557.46 = 3,119.08 : x
  2. Step 2: Convert to fraction form
    5,476.20/7,557.46 = 3,119.08/x
  3. Step 3: Cross multiply
    5,476.20x = 7,557.46 × 3,119.08
  4. Step 4: Simplify right side
    5,476.20x = 23,572,322.34
  5. Step 5: Solve for x
    x = 23,572,322.34/5,476.20
  6. Step 6: Final answer
    x = 4,304.50

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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.