Home / 7,310.13-10,087.46-4,123.53

Finding the Fourth Proportional to 7,310.13, 10,087.46 and 4,123.53

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Solution

The fourth proportional to 7,310.13, 10,087.46 and 4,123.53 is: 5,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.13 : 10,087.46 = 4,123.53 : x
  2. Step 2: Convert to fraction form
    7,310.13/10,087.46 = 4,123.53/x
  3. Step 3: Cross multiply
    7,310.13x = 10,087.46 × 4,123.53
  4. Step 4: Simplify right side
    7,310.13x = 41,595,923.32
  5. Step 5: Solve for x
    x = 41,595,923.32/7,310.13
  6. Step 6: Final answer
    x = 5,690.18

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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.