Home / 7,001.31-9,666.56-4,901.79

Finding the Fourth Proportional to 7,001.31, 9,666.56 and 4,901.79

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Solution

The fourth proportional to 7,001.31, 9,666.56 and 4,901.79 is: 6,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.31 : 9,666.56 = 4,901.79 : x
  2. Step 2: Convert to fraction form
    7,001.31/9,666.56 = 4,901.79/x
  3. Step 3: Cross multiply
    7,001.31x = 9,666.56 × 4,901.79
  4. Step 4: Simplify right side
    7,001.31x = 47,383,422.63
  5. Step 5: Solve for x
    x = 47,383,422.63/7,001.31
  6. Step 6: Final answer
    x = 6,767.79

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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.