Home / 6,300.40-8,706.54-4,725.76

Finding the Fourth Proportional to 6,300.40, 8,706.54 and 4,725.76

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Solution

The fourth proportional to 6,300.40, 8,706.54 and 4,725.76 is: 6,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300.40 : 8,706.54 = 4,725.76 : x
  2. Step 2: Convert to fraction form
    6,300.40/8,706.54 = 4,725.76/x
  3. Step 3: Cross multiply
    6,300.40x = 8,706.54 × 4,725.76
  4. Step 4: Simplify right side
    6,300.40x = 41,145,018.47
  5. Step 5: Solve for x
    x = 41,145,018.47/6,300.40
  6. Step 6: Final answer
    x = 6,530.54

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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.