Home / 2,176.61-3,005.01-1,326.19

Finding the Fourth Proportional to 2,176.61, 3,005.01 and 1,326.19

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Solution

The fourth proportional to 2,176.61, 3,005.01 and 1,326.19 is: 1,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.61 : 3,005.01 = 1,326.19 : x
  2. Step 2: Convert to fraction form
    2,176.61/3,005.01 = 1,326.19/x
  3. Step 3: Cross multiply
    2,176.61x = 3,005.01 × 1,326.19
  4. Step 4: Simplify right side
    2,176.61x = 3,985,204.10
  5. Step 5: Solve for x
    x = 3,985,204.10/2,176.61
  6. Step 6: Final answer
    x = 1,830.92

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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.