Home / 5,374.18-7,417.74-4,179.16

Finding the Fourth Proportional to 5,374.18, 7,417.74 and 4,179.16

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Solution

The fourth proportional to 5,374.18, 7,417.74 and 4,179.16 is: 5,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.18 : 7,417.74 = 4,179.16 : x
  2. Step 2: Convert to fraction form
    5,374.18/7,417.74 = 4,179.16/x
  3. Step 3: Cross multiply
    5,374.18x = 7,417.74 × 4,179.16
  4. Step 4: Simplify right side
    5,374.18x = 30,999,922.30
  5. Step 5: Solve for x
    x = 30,999,922.30/5,374.18
  6. Step 6: Final answer
    x = 5,768.31

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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.