Home / 5,460.12-7,534.08-3,101.76

Finding the Fourth Proportional to 5,460.12, 7,534.08 and 3,101.76

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Solution

The fourth proportional to 5,460.12, 7,534.08 and 3,101.76 is: 4,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.12 : 7,534.08 = 3,101.76 : x
  2. Step 2: Convert to fraction form
    5,460.12/7,534.08 = 3,101.76/x
  3. Step 3: Cross multiply
    5,460.12x = 7,534.08 × 3,101.76
  4. Step 4: Simplify right side
    5,460.12x = 23,368,907.98
  5. Step 5: Solve for x
    x = 23,368,907.98/5,460.12
  6. Step 6: Final answer
    x = 4,279.93

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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.