Home / 4,774.52-7,161.78-1,312.04

Finding the Fourth Proportional to 4,774.52, 7,161.78 and 1,312.04

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Solution

The fourth proportional to 4,774.52, 7,161.78 and 1,312.04 is: 1,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.52 : 7,161.78 = 1,312.04 : x
  2. Step 2: Convert to fraction form
    4,774.52/7,161.78 = 1,312.04/x
  3. Step 3: Cross multiply
    4,774.52x = 7,161.78 × 1,312.04
  4. Step 4: Simplify right side
    4,774.52x = 9,396,541.83
  5. Step 5: Solve for x
    x = 9,396,541.83/4,774.52
  6. Step 6: Final answer
    x = 1,968.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.