Home / 6,570.20-9,062.37-3,915.56

Finding the Fourth Proportional to 6,570.20, 9,062.37 and 3,915.56

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Solution

The fourth proportional to 6,570.20, 9,062.37 and 3,915.56 is: 5,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.20 : 9,062.37 = 3,915.56 : x
  2. Step 2: Convert to fraction form
    6,570.20/9,062.37 = 3,915.56/x
  3. Step 3: Cross multiply
    6,570.20x = 9,062.37 × 3,915.56
  4. Step 4: Simplify right side
    6,570.20x = 35,484,276.13
  5. Step 5: Solve for x
    x = 35,484,276.13/6,570.20
  6. Step 6: Final answer
    x = 5,400.79

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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.