Home / 5,476.42-7,557.95-3,118.69

Finding the Fourth Proportional to 5,476.42, 7,557.95 and 3,118.69

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Solution

The fourth proportional to 5,476.42, 7,557.95 and 3,118.69 is: 4,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.42 : 7,557.95 = 3,118.69 : x
  2. Step 2: Convert to fraction form
    5,476.42/7,557.95 = 3,118.69/x
  3. Step 3: Cross multiply
    5,476.42x = 7,557.95 × 3,118.69
  4. Step 4: Simplify right side
    5,476.42x = 23,570,849.70
  5. Step 5: Solve for x
    x = 23,570,849.70/5,476.42
  6. Step 6: Final answer
    x = 4,304.07

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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.