Home / 7,270.35-10,897.51-4,143.45

Finding the Fourth Proportional to 7,270.35, 10,897.51 and 4,143.45

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Solution

The fourth proportional to 7,270.35, 10,897.51 and 4,143.45 is: 6,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.35 : 10,897.51 = 4,143.45 : x
  2. Step 2: Convert to fraction form
    7,270.35/10,897.51 = 4,143.45/x
  3. Step 3: Cross multiply
    7,270.35x = 10,897.51 × 4,143.45
  4. Step 4: Simplify right side
    7,270.35x = 45,153,287.81
  5. Step 5: Solve for x
    x = 45,153,287.81/7,270.35
  6. Step 6: Final answer
    x = 6,210.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.