Home / 4,590.72-6,333.16-2,821.28

Finding the Fourth Proportional to 4,590.72, 6,333.16 and 2,821.28

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Solution

The fourth proportional to 4,590.72, 6,333.16 and 2,821.28 is: 3,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.72 : 6,333.16 = 2,821.28 : x
  2. Step 2: Convert to fraction form
    4,590.72/6,333.16 = 2,821.28/x
  3. Step 3: Cross multiply
    4,590.72x = 6,333.16 × 2,821.28
  4. Step 4: Simplify right side
    4,590.72x = 17,867,617.64
  5. Step 5: Solve for x
    x = 17,867,617.64/4,590.72
  6. Step 6: Final answer
    x = 3,892.12

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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.