Home / 3,466.16-4,779.64-3,185.28

Finding the Fourth Proportional to 3,466.16, 4,779.64 and 3,185.28

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Solution

The fourth proportional to 3,466.16, 4,779.64 and 3,185.28 is: 4,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.16 : 4,779.64 = 3,185.28 : x
  2. Step 2: Convert to fraction form
    3,466.16/4,779.64 = 3,185.28/x
  3. Step 3: Cross multiply
    3,466.16x = 4,779.64 × 3,185.28
  4. Step 4: Simplify right side
    3,466.16x = 15,224,491.70
  5. Step 5: Solve for x
    x = 15,224,491.70/3,466.16
  6. Step 6: Final answer
    x = 4,392.32

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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.