Home / 5,470.34-7,548.12-3,112.04

Finding the Fourth Proportional to 5,470.34, 7,548.12 and 3,112.04

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Solution

The fourth proportional to 5,470.34, 7,548.12 and 3,112.04 is: 4,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.34 : 7,548.12 = 3,112.04 : x
  2. Step 2: Convert to fraction form
    5,470.34/7,548.12 = 3,112.04/x
  3. Step 3: Cross multiply
    5,470.34x = 7,548.12 × 3,112.04
  4. Step 4: Simplify right side
    5,470.34x = 23,490,051.36
  5. Step 5: Solve for x
    x = 23,490,051.36/5,470.34
  6. Step 6: Final answer
    x = 4,294.08

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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.