Home / 4,038.60-5,565.09-2,915.94

Finding the Fourth Proportional to 4,038.60, 5,565.09 and 2,915.94

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Solution

The fourth proportional to 4,038.60, 5,565.09 and 2,915.94 is: 4,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.60 : 5,565.09 = 2,915.94 : x
  2. Step 2: Convert to fraction form
    4,038.60/5,565.09 = 2,915.94/x
  3. Step 3: Cross multiply
    4,038.60x = 5,565.09 × 2,915.94
  4. Step 4: Simplify right side
    4,038.60x = 16,227,468.53
  5. Step 5: Solve for x
    x = 16,227,468.53/4,038.60
  6. Step 6: Final answer
    x = 4,018.09

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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.