Home / 6,278.04-8,675.12-5,974.40

Finding the Fourth Proportional to 6,278.04, 8,675.12 and 5,974.40

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Solution

The fourth proportional to 6,278.04, 8,675.12 and 5,974.40 is: 8,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.04 : 8,675.12 = 5,974.40 : x
  2. Step 2: Convert to fraction form
    6,278.04/8,675.12 = 5,974.40/x
  3. Step 3: Cross multiply
    6,278.04x = 8,675.12 × 5,974.40
  4. Step 4: Simplify right side
    6,278.04x = 51,828,636.93
  5. Step 5: Solve for x
    x = 51,828,636.93/6,278.04
  6. Step 6: Final answer
    x = 8,255.54

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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.