Home / 4,787.16-7,182.78-1,867.52

Finding the Fourth Proportional to 4,787.16, 7,182.78 and 1,867.52

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Solution

The fourth proportional to 4,787.16, 7,182.78 and 1,867.52 is: 2,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.16 : 7,182.78 = 1,867.52 : x
  2. Step 2: Convert to fraction form
    4,787.16/7,182.78 = 1,867.52/x
  3. Step 3: Cross multiply
    4,787.16x = 7,182.78 × 1,867.52
  4. Step 4: Simplify right side
    4,787.16x = 13,413,985.31
  5. Step 5: Solve for x
    x = 13,413,985.31/4,787.16
  6. Step 6: Final answer
    x = 2,802.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.