Home / 7,156.26-9,875.34-4,173.03

Finding the Fourth Proportional to 7,156.26, 9,875.34 and 4,173.03

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Solution

The fourth proportional to 7,156.26, 9,875.34 and 4,173.03 is: 5,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.26 : 9,875.34 = 4,173.03 : x
  2. Step 2: Convert to fraction form
    7,156.26/9,875.34 = 4,173.03/x
  3. Step 3: Cross multiply
    7,156.26x = 9,875.34 × 4,173.03
  4. Step 4: Simplify right side
    7,156.26x = 41,210,090.08
  5. Step 5: Solve for x
    x = 41,210,090.08/7,156.26
  6. Step 6: Final answer
    x = 5,758.61

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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.