Home / 3,008.48-4,152.12-2,170.32

Finding the Fourth Proportional to 3,008.48, 4,152.12 and 2,170.32

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Solution

The fourth proportional to 3,008.48, 4,152.12 and 2,170.32 is: 2,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.48 : 4,152.12 = 2,170.32 : x
  2. Step 2: Convert to fraction form
    3,008.48/4,152.12 = 2,170.32/x
  3. Step 3: Cross multiply
    3,008.48x = 4,152.12 × 2,170.32
  4. Step 4: Simplify right side
    3,008.48x = 9,011,429.08
  5. Step 5: Solve for x
    x = 9,011,429.08/3,008.48
  6. Step 6: Final answer
    x = 2,995.34

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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.