Home / 7,079.18-9,765.24-4,389.17

Finding the Fourth Proportional to 7,079.18, 9,765.24 and 4,389.17

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Solution

The fourth proportional to 7,079.18, 9,765.24 and 4,389.17 is: 6,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.18 : 9,765.24 = 4,389.17 : x
  2. Step 2: Convert to fraction form
    7,079.18/9,765.24 = 4,389.17/x
  3. Step 3: Cross multiply
    7,079.18x = 9,765.24 × 4,389.17
  4. Step 4: Simplify right side
    7,079.18x = 42,861,306.40
  5. Step 5: Solve for x
    x = 42,861,306.40/7,079.18
  6. Step 6: Final answer
    x = 6,054.56

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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.