Home / 5,300.90-7,314.18-3,409.52

Finding the Fourth Proportional to 5,300.90, 7,314.18 and 3,409.52

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Solution

The fourth proportional to 5,300.90, 7,314.18 and 3,409.52 is: 4,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.90 : 7,314.18 = 3,409.52 : x
  2. Step 2: Convert to fraction form
    5,300.90/7,314.18 = 3,409.52/x
  3. Step 3: Cross multiply
    5,300.90x = 7,314.18 × 3,409.52
  4. Step 4: Simplify right side
    5,300.90x = 24,937,842.99
  5. Step 5: Solve for x
    x = 24,937,842.99/5,300.90
  6. Step 6: Final answer
    x = 4,704.45

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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.