Home / 5,070.82-7,602.96-2,111.32

Finding the Fourth Proportional to 5,070.82, 7,602.96 and 2,111.32

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Solution

The fourth proportional to 5,070.82, 7,602.96 and 2,111.32 is: 3,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.82 : 7,602.96 = 2,111.32 : x
  2. Step 2: Convert to fraction form
    5,070.82/7,602.96 = 2,111.32/x
  3. Step 3: Cross multiply
    5,070.82x = 7,602.96 × 2,111.32
  4. Step 4: Simplify right side
    5,070.82x = 16,052,281.51
  5. Step 5: Solve for x
    x = 16,052,281.51/5,070.82
  6. Step 6: Final answer
    x = 3,165.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.