Home / 5,023.05-6,931.80-2,784.95

Finding the Fourth Proportional to 5,023.05, 6,931.80 and 2,784.95

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Solution

The fourth proportional to 5,023.05, 6,931.80 and 2,784.95 is: 3,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,023.05 : 6,931.80 = 2,784.95 : x
  2. Step 2: Convert to fraction form
    5,023.05/6,931.80 = 2,784.95/x
  3. Step 3: Cross multiply
    5,023.05x = 6,931.80 × 2,784.95
  4. Step 4: Simplify right side
    5,023.05x = 19,304,681.75
  5. Step 5: Solve for x
    x = 19,304,681.75/5,023.05
  6. Step 6: Final answer
    x = 3,843.22

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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.