Home / 7,619.74-10,509.35-5,101.04

Finding the Fourth Proportional to 7,619.74, 10,509.35 and 5,101.04

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Solution

The fourth proportional to 7,619.74, 10,509.35 and 5,101.04 is: 7,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.74 : 10,509.35 = 5,101.04 : x
  2. Step 2: Convert to fraction form
    7,619.74/10,509.35 = 5,101.04/x
  3. Step 3: Cross multiply
    7,619.74x = 10,509.35 × 5,101.04
  4. Step 4: Simplify right side
    7,619.74x = 53,608,615.49
  5. Step 5: Solve for x
    x = 53,608,615.49/7,619.74
  6. Step 6: Final answer
    x = 7,035.49

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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.