Home / 5,915.18-8,854.31-4,356.94

Finding the Fourth Proportional to 5,915.18, 8,854.31 and 4,356.94

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Solution

The fourth proportional to 5,915.18, 8,854.31 and 4,356.94 is: 6,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.18 : 8,854.31 = 4,356.94 : x
  2. Step 2: Convert to fraction form
    5,915.18/8,854.31 = 4,356.94/x
  3. Step 3: Cross multiply
    5,915.18x = 8,854.31 × 4,356.94
  4. Step 4: Simplify right side
    5,915.18x = 38,577,631.36
  5. Step 5: Solve for x
    x = 38,577,631.36/5,915.18
  6. Step 6: Final answer
    x = 6,521.81

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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.