Home / 7,228.01-9,974.40-4,084.13

Finding the Fourth Proportional to 7,228.01, 9,974.40 and 4,084.13

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Solution

The fourth proportional to 7,228.01, 9,974.40 and 4,084.13 is: 5,635.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.01 : 9,974.40 = 4,084.13 : x
  2. Step 2: Convert to fraction form
    7,228.01/9,974.40 = 4,084.13/x
  3. Step 3: Cross multiply
    7,228.01x = 9,974.40 × 4,084.13
  4. Step 4: Simplify right side
    7,228.01x = 40,736,746.27
  5. Step 5: Solve for x
    x = 40,736,746.27/7,228.01
  6. Step 6: Final answer
    x = 5,635.96

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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.