Home / 3,483.36-4,807.06-1,991.33

Finding the Fourth Proportional to 3,483.36, 4,807.06 and 1,991.33

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Solution

The fourth proportional to 3,483.36, 4,807.06 and 1,991.33 is: 2,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.36 : 4,807.06 = 1,991.33 : x
  2. Step 2: Convert to fraction form
    3,483.36/4,807.06 = 1,991.33/x
  3. Step 3: Cross multiply
    3,483.36x = 4,807.06 × 1,991.33
  4. Step 4: Simplify right side
    3,483.36x = 9,572,442.79
  5. Step 5: Solve for x
    x = 9,572,442.79/3,483.36
  6. Step 6: Final answer
    x = 2,748.05

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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.