Home / 6,458.52-9,686.86-2,075.41

Finding the Fourth Proportional to 6,458.52, 9,686.86 and 2,075.41

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Solution

The fourth proportional to 6,458.52, 9,686.86 and 2,075.41 is: 3,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.52 : 9,686.86 = 2,075.41 : x
  2. Step 2: Convert to fraction form
    6,458.52/9,686.86 = 2,075.41/x
  3. Step 3: Cross multiply
    6,458.52x = 9,686.86 × 2,075.41
  4. Step 4: Simplify right side
    6,458.52x = 20,104,206.11
  5. Step 5: Solve for x
    x = 20,104,206.11/6,458.52
  6. Step 6: Final answer
    x = 3,112.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.