Home / 5,320.02-7,346.07-3,911.58

Finding the Fourth Proportional to 5,320.02, 7,346.07 and 3,911.58

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Solution

The fourth proportional to 5,320.02, 7,346.07 and 3,911.58 is: 5,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.02 : 7,346.07 = 3,911.58 : x
  2. Step 2: Convert to fraction form
    5,320.02/7,346.07 = 3,911.58/x
  3. Step 3: Cross multiply
    5,320.02x = 7,346.07 × 3,911.58
  4. Step 4: Simplify right side
    5,320.02x = 28,734,740.49
  5. Step 5: Solve for x
    x = 28,734,740.49/5,320.02
  6. Step 6: Final answer
    x = 5,401.25

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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.