Home / 5,056.37-6,977.64-2,931.85

Finding the Fourth Proportional to 5,056.37, 6,977.64 and 2,931.85

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Solution

The fourth proportional to 5,056.37, 6,977.64 and 2,931.85 is: 4,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.37 : 6,977.64 = 2,931.85 : x
  2. Step 2: Convert to fraction form
    5,056.37/6,977.64 = 2,931.85/x
  3. Step 3: Cross multiply
    5,056.37x = 6,977.64 × 2,931.85
  4. Step 4: Simplify right side
    5,056.37x = 20,457,374.30
  5. Step 5: Solve for x
    x = 20,457,374.30/5,056.37
  6. Step 6: Final answer
    x = 4,045.86

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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.