Home / 4,688.48-6,470.06-2,672.15

Finding the Fourth Proportional to 4,688.48, 6,470.06 and 2,672.15

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Solution

The fourth proportional to 4,688.48, 6,470.06 and 2,672.15 is: 3,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.48 : 6,470.06 = 2,672.15 : x
  2. Step 2: Convert to fraction form
    4,688.48/6,470.06 = 2,672.15/x
  3. Step 3: Cross multiply
    4,688.48x = 6,470.06 × 2,672.15
  4. Step 4: Simplify right side
    4,688.48x = 17,288,925.12
  5. Step 5: Solve for x
    x = 17,288,925.12/4,688.48
  6. Step 6: Final answer
    x = 3,687.54

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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.