Home / 2,999.04-4,138.40-1,740.32

Finding the Fourth Proportional to 2,999.04, 4,138.40 and 1,740.32

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Solution

The fourth proportional to 2,999.04, 4,138.40 and 1,740.32 is: 2,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.04 : 4,138.40 = 1,740.32 : x
  2. Step 2: Convert to fraction form
    2,999.04/4,138.40 = 1,740.32/x
  3. Step 3: Cross multiply
    2,999.04x = 4,138.40 × 1,740.32
  4. Step 4: Simplify right side
    2,999.04x = 7,202,140.29
  5. Step 5: Solve for x
    x = 7,202,140.29/2,999.04
  6. Step 6: Final answer
    x = 2,401.48

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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.