Home / 7,564.97-10,439.51-4,207.67

Finding the Fourth Proportional to 7,564.97, 10,439.51 and 4,207.67

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Solution

The fourth proportional to 7,564.97, 10,439.51 and 4,207.67 is: 5,806.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.97 : 10,439.51 = 4,207.67 : x
  2. Step 2: Convert to fraction form
    7,564.97/10,439.51 = 4,207.67/x
  3. Step 3: Cross multiply
    7,564.97x = 10,439.51 × 4,207.67
  4. Step 4: Simplify right side
    7,564.97x = 43,925,987.12
  5. Step 5: Solve for x
    x = 43,925,987.12/7,564.97
  6. Step 6: Final answer
    x = 5,806.50

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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.