Home / 7,312.83-10,091.67-3,955.62

Finding the Fourth Proportional to 7,312.83, 10,091.67 and 3,955.62

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Solution

The fourth proportional to 7,312.83, 10,091.67 and 3,955.62 is: 5,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.83 : 10,091.67 = 3,955.62 : x
  2. Step 2: Convert to fraction form
    7,312.83/10,091.67 = 3,955.62/x
  3. Step 3: Cross multiply
    7,312.83x = 10,091.67 × 3,955.62
  4. Step 4: Simplify right side
    7,312.83x = 39,918,811.69
  5. Step 5: Solve for x
    x = 39,918,811.69/7,312.83
  6. Step 6: Final answer
    x = 5,458.74

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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.