Home / 5,312.99-7,332.09-2,922.85

Finding the Fourth Proportional to 5,312.99, 7,332.09 and 2,922.85

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Solution

The fourth proportional to 5,312.99, 7,332.09 and 2,922.85 is: 4,033.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.99 : 7,332.09 = 2,922.85 : x
  2. Step 2: Convert to fraction form
    5,312.99/7,332.09 = 2,922.85/x
  3. Step 3: Cross multiply
    5,312.99x = 7,332.09 × 2,922.85
  4. Step 4: Simplify right side
    5,312.99x = 21,430,597.46
  5. Step 5: Solve for x
    x = 21,430,597.46/5,312.99
  6. Step 6: Final answer
    x = 4,033.62

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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.