Home / 2,959.08-4,084.76-2,017.98

Finding the Fourth Proportional to 2,959.08, 4,084.76 and 2,017.98

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Solution

The fourth proportional to 2,959.08, 4,084.76 and 2,017.98 is: 2,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.08 : 4,084.76 = 2,017.98 : x
  2. Step 2: Convert to fraction form
    2,959.08/4,084.76 = 2,017.98/x
  3. Step 3: Cross multiply
    2,959.08x = 4,084.76 × 2,017.98
  4. Step 4: Simplify right side
    2,959.08x = 8,242,953.89
  5. Step 5: Solve for x
    x = 8,242,953.89/2,959.08
  6. Step 6: Final answer
    x = 2,785.65

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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.