Home / 2,959.18-4,071.08-2,877.17

Finding the Fourth Proportional to 2,959.18, 4,071.08 and 2,877.17

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Solution

The fourth proportional to 2,959.18, 4,071.08 and 2,877.17 is: 3,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.18 : 4,071.08 = 2,877.17 : x
  2. Step 2: Convert to fraction form
    2,959.18/4,071.08 = 2,877.17/x
  3. Step 3: Cross multiply
    2,959.18x = 4,071.08 × 2,877.17
  4. Step 4: Simplify right side
    2,959.18x = 11,713,168.89
  5. Step 5: Solve for x
    x = 11,713,168.89/2,959.18
  6. Step 6: Final answer
    x = 3,958.25

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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.