Home / 5,017.80-6,917.76-4,230.48

Finding the Fourth Proportional to 5,017.80, 6,917.76 and 4,230.48

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Solution

The fourth proportional to 5,017.80, 6,917.76 and 4,230.48 is: 5,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.80 : 6,917.76 = 4,230.48 : x
  2. Step 2: Convert to fraction form
    5,017.80/6,917.76 = 4,230.48/x
  3. Step 3: Cross multiply
    5,017.80x = 6,917.76 × 4,230.48
  4. Step 4: Simplify right side
    5,017.80x = 29,265,445.32
  5. Step 5: Solve for x
    x = 29,265,445.32/5,017.80
  6. Step 6: Final answer
    x = 5,832.33

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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.