Home / 6,125.66-8,456.55-5,528.06

Finding the Fourth Proportional to 6,125.66, 8,456.55 and 5,528.06

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Solution

The fourth proportional to 6,125.66, 8,456.55 and 5,528.06 is: 7,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.66 : 8,456.55 = 5,528.06 : x
  2. Step 2: Convert to fraction form
    6,125.66/8,456.55 = 5,528.06/x
  3. Step 3: Cross multiply
    6,125.66x = 8,456.55 × 5,528.06
  4. Step 4: Simplify right side
    6,125.66x = 46,748,315.79
  5. Step 5: Solve for x
    x = 46,748,315.79/6,125.66
  6. Step 6: Final answer
    x = 7,631.56

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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.