Home / 5,612.18-7,740.96-3,254.36

Finding the Fourth Proportional to 5,612.18, 7,740.96 and 3,254.36

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Solution

The fourth proportional to 5,612.18, 7,740.96 and 3,254.36 is: 4,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.18 : 7,740.96 = 3,254.36 : x
  2. Step 2: Convert to fraction form
    5,612.18/7,740.96 = 3,254.36/x
  3. Step 3: Cross multiply
    5,612.18x = 7,740.96 × 3,254.36
  4. Step 4: Simplify right side
    5,612.18x = 25,191,870.59
  5. Step 5: Solve for x
    x = 25,191,870.59/5,612.18
  6. Step 6: Final answer
    x = 4,488.79

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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.