Home / 5,384.45-7,430.18-2,994.24

Finding the Fourth Proportional to 5,384.45, 7,430.18 and 2,994.24

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Solution

The fourth proportional to 5,384.45, 7,430.18 and 2,994.24 is: 4,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.45 : 7,430.18 = 2,994.24 : x
  2. Step 2: Convert to fraction form
    5,384.45/7,430.18 = 2,994.24/x
  3. Step 3: Cross multiply
    5,384.45x = 7,430.18 × 2,994.24
  4. Step 4: Simplify right side
    5,384.45x = 22,247,690.04
  5. Step 5: Solve for x
    x = 22,247,690.04/5,384.45
  6. Step 6: Final answer
    x = 4,131.84

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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.