Home / 7,110.75-10,666.74-2,430.57

Finding the Fourth Proportional to 7,110.75, 10,666.74 and 2,430.57

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Solution

The fourth proportional to 7,110.75, 10,666.74 and 2,430.57 is: 3,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.75 : 10,666.74 = 2,430.57 : x
  2. Step 2: Convert to fraction form
    7,110.75/10,666.74 = 2,430.57/x
  3. Step 3: Cross multiply
    7,110.75x = 10,666.74 × 2,430.57
  4. Step 4: Simplify right side
    7,110.75x = 25,926,258.24
  5. Step 5: Solve for x
    x = 25,926,258.24/7,110.75
  6. Step 6: Final answer
    x = 3,646.07

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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.