Home / 7,051.07-9,731.50-4,066.31

Finding the Fourth Proportional to 7,051.07, 9,731.50 and 4,066.31

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Solution

The fourth proportional to 7,051.07, 9,731.50 and 4,066.31 is: 5,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.07 : 9,731.50 = 4,066.31 : x
  2. Step 2: Convert to fraction form
    7,051.07/9,731.50 = 4,066.31/x
  3. Step 3: Cross multiply
    7,051.07x = 9,731.50 × 4,066.31
  4. Step 4: Simplify right side
    7,051.07x = 39,571,275.43
  5. Step 5: Solve for x
    x = 39,571,275.43/7,051.07
  6. Step 6: Final answer
    x = 5,612.10

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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.