Home / 3,962.18-5,467.02-2,390.36

Finding the Fourth Proportional to 3,962.18, 5,467.02 and 2,390.36

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Solution

The fourth proportional to 3,962.18, 5,467.02 and 2,390.36 is: 3,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.18 : 5,467.02 = 2,390.36 : x
  2. Step 2: Convert to fraction form
    3,962.18/5,467.02 = 2,390.36/x
  3. Step 3: Cross multiply
    3,962.18x = 5,467.02 × 2,390.36
  4. Step 4: Simplify right side
    3,962.18x = 13,068,145.93
  5. Step 5: Solve for x
    x = 13,068,145.93/3,962.18
  6. Step 6: Final answer
    x = 3,298.22

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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.