Home / 7,817.52-10,788.30-4,281.06

Finding the Fourth Proportional to 7,817.52, 10,788.30 and 4,281.06

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Solution

The fourth proportional to 7,817.52, 10,788.30 and 4,281.06 is: 5,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.52 : 10,788.30 = 4,281.06 : x
  2. Step 2: Convert to fraction form
    7,817.52/10,788.30 = 4,281.06/x
  3. Step 3: Cross multiply
    7,817.52x = 10,788.30 × 4,281.06
  4. Step 4: Simplify right side
    7,817.52x = 46,185,359.60
  5. Step 5: Solve for x
    x = 46,185,359.60/7,817.52
  6. Step 6: Final answer
    x = 5,907.93

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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.