Home / 2,176.16-3,003.08-1,181.45

Finding the Fourth Proportional to 2,176.16, 3,003.08 and 1,181.45

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Solution

The fourth proportional to 2,176.16, 3,003.08 and 1,181.45 is: 1,630.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.16 : 3,003.08 = 1,181.45 : x
  2. Step 2: Convert to fraction form
    2,176.16/3,003.08 = 1,181.45/x
  3. Step 3: Cross multiply
    2,176.16x = 3,003.08 × 1,181.45
  4. Step 4: Simplify right side
    2,176.16x = 3,547,990.47
  5. Step 5: Solve for x
    x = 3,547,990.47/2,176.16
  6. Step 6: Final answer
    x = 1,630.39

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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.