Home / 5,291.02-7,293.18-4,170.22

Finding the Fourth Proportional to 5,291.02, 7,293.18 and 4,170.22

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Solution

The fourth proportional to 5,291.02, 7,293.18 and 4,170.22 is: 5,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.02 : 7,293.18 = 4,170.22 : x
  2. Step 2: Convert to fraction form
    5,291.02/7,293.18 = 4,170.22/x
  3. Step 3: Cross multiply
    5,291.02x = 7,293.18 × 4,170.22
  4. Step 4: Simplify right side
    5,291.02x = 30,414,165.10
  5. Step 5: Solve for x
    x = 30,414,165.10/5,291.02
  6. Step 6: Final answer
    x = 5,748.26

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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.