Home / 4,915.19-6,787.79-4,202.93

Finding the Fourth Proportional to 4,915.19, 6,787.79 and 4,202.93

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Solution

The fourth proportional to 4,915.19, 6,787.79 and 4,202.93 is: 5,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.19 : 6,787.79 = 4,202.93 : x
  2. Step 2: Convert to fraction form
    4,915.19/6,787.79 = 4,202.93/x
  3. Step 3: Cross multiply
    4,915.19x = 6,787.79 × 4,202.93
  4. Step 4: Simplify right side
    4,915.19x = 28,528,606.22
  5. Step 5: Solve for x
    x = 28,528,606.22/4,915.19
  6. Step 6: Final answer
    x = 5,804.17

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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.