Home / 4,203.10-5,798.76-2,787.47

Finding the Fourth Proportional to 4,203.10, 5,798.76 and 2,787.47

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Solution

The fourth proportional to 4,203.10, 5,798.76 and 2,787.47 is: 3,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.10 : 5,798.76 = 2,787.47 : x
  2. Step 2: Convert to fraction form
    4,203.10/5,798.76 = 2,787.47/x
  3. Step 3: Cross multiply
    4,203.10x = 5,798.76 × 2,787.47
  4. Step 4: Simplify right side
    4,203.10x = 16,163,851.84
  5. Step 5: Solve for x
    x = 16,163,851.84/4,203.10
  6. Step 6: Final answer
    x = 3,845.70

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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.