Home / 5,352.78-7,386.75-2,994.90

Finding the Fourth Proportional to 5,352.78, 7,386.75 and 2,994.90

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Solution

The fourth proportional to 5,352.78, 7,386.75 and 2,994.90 is: 4,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.78 : 7,386.75 = 2,994.90 : x
  2. Step 2: Convert to fraction form
    5,352.78/7,386.75 = 2,994.90/x
  3. Step 3: Cross multiply
    5,352.78x = 7,386.75 × 2,994.90
  4. Step 4: Simplify right side
    5,352.78x = 22,122,577.58
  5. Step 5: Solve for x
    x = 22,122,577.58/5,352.78
  6. Step 6: Final answer
    x = 4,132.91

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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.