Home / 6,248.30-8,612.01-5,718.64

Finding the Fourth Proportional to 6,248.30, 8,612.01 and 5,718.64

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Solution

The fourth proportional to 6,248.30, 8,612.01 and 5,718.64 is: 7,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.30 : 8,612.01 = 5,718.64 : x
  2. Step 2: Convert to fraction form
    6,248.30/8,612.01 = 5,718.64/x
  3. Step 3: Cross multiply
    6,248.30x = 8,612.01 × 5,718.64
  4. Step 4: Simplify right side
    6,248.30x = 49,248,984.87
  5. Step 5: Solve for x
    x = 49,248,984.87/6,248.30
  6. Step 6: Final answer
    x = 7,881.98

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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.