Home / 1,482.77-2,213.30-1,307.62

Finding the Fourth Proportional to 1,482.77, 2,213.30 and 1,307.62

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Solution

The fourth proportional to 1,482.77, 2,213.30 and 1,307.62 is: 1,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.77 : 2,213.30 = 1,307.62 : x
  2. Step 2: Convert to fraction form
    1,482.77/2,213.30 = 1,307.62/x
  3. Step 3: Cross multiply
    1,482.77x = 2,213.30 × 1,307.62
  4. Step 4: Simplify right side
    1,482.77x = 2,894,143.27
  5. Step 5: Solve for x
    x = 2,894,143.27/1,482.77
  6. Step 6: Final answer
    x = 1,951.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.