Home / 2,225.16-3,071.58-1,479.84

Finding the Fourth Proportional to 2,225.16, 3,071.58 and 1,479.84

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Solution

The fourth proportional to 2,225.16, 3,071.58 and 1,479.84 is: 2,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.16 : 3,071.58 = 1,479.84 : x
  2. Step 2: Convert to fraction form
    2,225.16/3,071.58 = 1,479.84/x
  3. Step 3: Cross multiply
    2,225.16x = 3,071.58 × 1,479.84
  4. Step 4: Simplify right side
    2,225.16x = 4,545,446.95
  5. Step 5: Solve for x
    x = 4,545,446.95/2,225.16
  6. Step 6: Final answer
    x = 2,042.75

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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.