Home / 7,627.90-10,526.12-4,270.70

Finding the Fourth Proportional to 7,627.90, 10,526.12 and 4,270.70

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Solution

The fourth proportional to 7,627.90, 10,526.12 and 4,270.70 is: 5,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.90 : 10,526.12 = 4,270.70 : x
  2. Step 2: Convert to fraction form
    7,627.90/10,526.12 = 4,270.70/x
  3. Step 3: Cross multiply
    7,627.90x = 10,526.12 × 4,270.70
  4. Step 4: Simplify right side
    7,627.90x = 44,953,900.68
  5. Step 5: Solve for x
    x = 44,953,900.68/7,627.90
  6. Step 6: Final answer
    x = 5,893.35

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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.