Home / 3,001.04-4,142.32-1,742.40

Finding the Fourth Proportional to 3,001.04, 4,142.32 and 1,742.40

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Solution

The fourth proportional to 3,001.04, 4,142.32 and 1,742.40 is: 2,405.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.04 : 4,142.32 = 1,742.40 : x
  2. Step 2: Convert to fraction form
    3,001.04/4,142.32 = 1,742.40/x
  3. Step 3: Cross multiply
    3,001.04x = 4,142.32 × 1,742.40
  4. Step 4: Simplify right side
    3,001.04x = 7,217,578.37
  5. Step 5: Solve for x
    x = 7,217,578.37/3,001.04
  6. Step 6: Final answer
    x = 2,405.03

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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.