Home / 7,557.71-10,430.24-4,201.61

Finding the Fourth Proportional to 7,557.71, 10,430.24 and 4,201.61

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Solution

The fourth proportional to 7,557.71, 10,430.24 and 4,201.61 is: 5,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.71 : 10,430.24 = 4,201.61 : x
  2. Step 2: Convert to fraction form
    7,557.71/10,430.24 = 4,201.61/x
  3. Step 3: Cross multiply
    7,557.71x = 10,430.24 × 4,201.61
  4. Step 4: Simplify right side
    7,557.71x = 43,823,727.53
  5. Step 5: Solve for x
    x = 43,823,727.53/7,557.71
  6. Step 6: Final answer
    x = 5,798.55

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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.