Home / 7,085.20-9,783.62-4,437.04

Finding the Fourth Proportional to 7,085.20, 9,783.62 and 4,437.04

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Solution

The fourth proportional to 7,085.20, 9,783.62 and 4,437.04 is: 6,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.20 : 9,783.62 = 4,437.04 : x
  2. Step 2: Convert to fraction form
    7,085.20/9,783.62 = 4,437.04/x
  3. Step 3: Cross multiply
    7,085.20x = 9,783.62 × 4,437.04
  4. Step 4: Simplify right side
    7,085.20x = 43,410,313.28
  5. Step 5: Solve for x
    x = 43,410,313.28/7,085.20
  6. Step 6: Final answer
    x = 6,126.90

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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.