Home / 7,002.10-9,664.55-4,351.51

Finding the Fourth Proportional to 7,002.10, 9,664.55 and 4,351.51

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Solution

The fourth proportional to 7,002.10, 9,664.55 and 4,351.51 is: 6,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.10 : 9,664.55 = 4,351.51 : x
  2. Step 2: Convert to fraction form
    7,002.10/9,664.55 = 4,351.51/x
  3. Step 3: Cross multiply
    7,002.10x = 9,664.55 × 4,351.51
  4. Step 4: Simplify right side
    7,002.10x = 42,055,385.97
  5. Step 5: Solve for x
    x = 42,055,385.97/7,002.10
  6. Step 6: Final answer
    x = 6,006.11

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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.