Home / 6,263.42-8,643.45-3,430.85

Finding the Fourth Proportional to 6,263.42, 8,643.45 and 3,430.85

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Solution

The fourth proportional to 6,263.42, 8,643.45 and 3,430.85 is: 4,734.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.42 : 8,643.45 = 3,430.85 : x
  2. Step 2: Convert to fraction form
    6,263.42/8,643.45 = 3,430.85/x
  3. Step 3: Cross multiply
    6,263.42x = 8,643.45 × 3,430.85
  4. Step 4: Simplify right side
    6,263.42x = 29,654,389.18
  5. Step 5: Solve for x
    x = 29,654,389.18/6,263.42
  6. Step 6: Final answer
    x = 4,734.53

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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.