Home / 2,994.90-4,132.75-1,650.45

Finding the Fourth Proportional to 2,994.90, 4,132.75 and 1,650.45

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Solution

The fourth proportional to 2,994.90, 4,132.75 and 1,650.45 is: 2,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.90 : 4,132.75 = 1,650.45 : x
  2. Step 2: Convert to fraction form
    2,994.90/4,132.75 = 1,650.45/x
  3. Step 3: Cross multiply
    2,994.90x = 4,132.75 × 1,650.45
  4. Step 4: Simplify right side
    2,994.90x = 6,820,897.24
  5. Step 5: Solve for x
    x = 6,820,897.24/2,994.90
  6. Step 6: Final answer
    x = 2,277.50

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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.