Home / 4,967.78-6,862.18-3,480.62

Finding the Fourth Proportional to 4,967.78, 6,862.18 and 3,480.62

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Solution

The fourth proportional to 4,967.78, 6,862.18 and 3,480.62 is: 4,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.78 : 6,862.18 = 3,480.62 : x
  2. Step 2: Convert to fraction form
    4,967.78/6,862.18 = 3,480.62/x
  3. Step 3: Cross multiply
    4,967.78x = 6,862.18 × 3,480.62
  4. Step 4: Simplify right side
    4,967.78x = 23,884,649.41
  5. Step 5: Solve for x
    x = 23,884,649.41/4,967.78
  6. Step 6: Final answer
    x = 4,807.91

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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.