Home / 7,405.39-11,106.88-2,475.02

Finding the Fourth Proportional to 7,405.39, 11,106.88 and 2,475.02

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Solution

The fourth proportional to 7,405.39, 11,106.88 and 2,475.02 is: 3,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.39 : 11,106.88 = 2,475.02 : x
  2. Step 2: Convert to fraction form
    7,405.39/11,106.88 = 2,475.02/x
  3. Step 3: Cross multiply
    7,405.39x = 11,106.88 × 2,475.02
  4. Step 4: Simplify right side
    7,405.39x = 27,489,750.14
  5. Step 5: Solve for x
    x = 27,489,750.14/7,405.39
  6. Step 6: Final answer
    x = 3,712.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.