Home / 7,707.02-10,635.68-4,170.24

Finding the Fourth Proportional to 7,707.02, 10,635.68 and 4,170.24

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Solution

The fourth proportional to 7,707.02, 10,635.68 and 4,170.24 is: 5,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.02 : 10,635.68 = 4,170.24 : x
  2. Step 2: Convert to fraction form
    7,707.02/10,635.68 = 4,170.24/x
  3. Step 3: Cross multiply
    7,707.02x = 10,635.68 × 4,170.24
  4. Step 4: Simplify right side
    7,707.02x = 44,353,348.59
  5. Step 5: Solve for x
    x = 44,353,348.59/7,707.02
  6. Step 6: Final answer
    x = 5,754.93

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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.