Home / 5,263.20-7,891.14-2,488.32

Finding the Fourth Proportional to 5,263.20, 7,891.14 and 2,488.32

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Solution

The fourth proportional to 5,263.20, 7,891.14 and 2,488.32 is: 3,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.20 : 7,891.14 = 2,488.32 : x
  2. Step 2: Convert to fraction form
    5,263.20/7,891.14 = 2,488.32/x
  3. Step 3: Cross multiply
    5,263.20x = 7,891.14 × 2,488.32
  4. Step 4: Simplify right side
    5,263.20x = 19,635,681.48
  5. Step 5: Solve for x
    x = 19,635,681.48/5,263.20
  6. Step 6: Final answer
    x = 3,730.75

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1.5x scale

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.