Home / 4,038.72-5,573.40-2,270.64

Finding the Fourth Proportional to 4,038.72, 5,573.40 and 2,270.64

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Solution

The fourth proportional to 4,038.72, 5,573.40 and 2,270.64 is: 3,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.72 : 5,573.40 = 2,270.64 : x
  2. Step 2: Convert to fraction form
    4,038.72/5,573.40 = 2,270.64/x
  3. Step 3: Cross multiply
    4,038.72x = 5,573.40 × 2,270.64
  4. Step 4: Simplify right side
    4,038.72x = 12,655,184.98
  5. Step 5: Solve for x
    x = 12,655,184.98/4,038.72
  6. Step 6: Final answer
    x = 3,133.46

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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.