Home / 5,339.85-7,368.84-2,981.94

Finding the Fourth Proportional to 5,339.85, 7,368.84 and 2,981.94

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Solution

The fourth proportional to 5,339.85, 7,368.84 and 2,981.94 is: 4,114.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.85 : 7,368.84 = 2,981.94 : x
  2. Step 2: Convert to fraction form
    5,339.85/7,368.84 = 2,981.94/x
  3. Step 3: Cross multiply
    5,339.85x = 7,368.84 × 2,981.94
  4. Step 4: Simplify right side
    5,339.85x = 21,973,438.75
  5. Step 5: Solve for x
    x = 21,973,438.75/5,339.85
  6. Step 6: Final answer
    x = 4,114.99

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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.