Home / 6,973.79-9,623.79-3,787.05

Finding the Fourth Proportional to 6,973.79, 9,623.79 and 3,787.05

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Solution

The fourth proportional to 6,973.79, 9,623.79 and 3,787.05 is: 5,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.79 : 9,623.79 = 3,787.05 : x
  2. Step 2: Convert to fraction form
    6,973.79/9,623.79 = 3,787.05/x
  3. Step 3: Cross multiply
    6,973.79x = 9,623.79 × 3,787.05
  4. Step 4: Simplify right side
    6,973.79x = 36,445,795.81
  5. Step 5: Solve for x
    x = 36,445,795.81/6,973.79
  6. Step 6: Final answer
    x = 5,226.11

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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.