Home / 2,962.48-4,087.32-1,720.24

Finding the Fourth Proportional to 2,962.48, 4,087.32 and 1,720.24

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Solution

The fourth proportional to 2,962.48, 4,087.32 and 1,720.24 is: 2,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.48 : 4,087.32 = 1,720.24 : x
  2. Step 2: Convert to fraction form
    2,962.48/4,087.32 = 1,720.24/x
  3. Step 3: Cross multiply
    2,962.48x = 4,087.32 × 1,720.24
  4. Step 4: Simplify right side
    2,962.48x = 7,031,171.36
  5. Step 5: Solve for x
    x = 7,031,171.36/2,962.48
  6. Step 6: Final answer
    x = 2,373.41

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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.