Home / 2,908.16-4,356.48-2,888.96

Finding the Fourth Proportional to 2,908.16, 4,356.48 and 2,888.96

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Solution

The fourth proportional to 2,908.16, 4,356.48 and 2,888.96 is: 4,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.16 : 4,356.48 = 2,888.96 : x
  2. Step 2: Convert to fraction form
    2,908.16/4,356.48 = 2,888.96/x
  3. Step 3: Cross multiply
    2,908.16x = 4,356.48 × 2,888.96
  4. Step 4: Simplify right side
    2,908.16x = 12,585,696.46
  5. Step 5: Solve for x
    x = 12,585,696.46/2,908.16
  6. Step 6: Final answer
    x = 4,327.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.